
The Taku-Snettisham roadless area encompasses 664,928 acres of mountainous terrain across the northern Tongass National Forest, with peaks rising to 7,000 feet at Mount Ogden and extending across the Snettisham Peninsula and Taku Point. The landscape drains into the Taku River watershed through major tributaries including the Speel River, Sockeye Creek, Sweetheart Creek, and Dorothy Creek. These waterways originate in alpine snowfields and glacial basins, descending through steep canyons and valleys before reaching tidewater. The area's hydrology is defined by high precipitation and rapid runoff, creating dynamic aquatic systems that support anadromous fish populations and connect the high peaks to coastal marine ecosystems.
Forest composition shifts dramatically with elevation and aspect. Lower elevations support Western Hemlock–Sitka Spruce Forest, where western hemlock (Tsuga heterophylla) and Sitka spruce (Picea sitchensis) form a dense canopy above an understory of devil's club (Oplopanax horridus), deer fern (Struthiopteris spicant), and western skunk cabbage (Lysichiton americanus). As elevation increases, this community transitions to Mountain Hemlock–Subalpine Forest, where mountain hemlock (Tsuga mertensiana) and Alaska yellow cedar (Callitropsis nootkatensis) dominate on exposed ridges and slopes. Above treeline, Alpine Tundra and Barrens prevail, with low-growing vegetation including black crowberry (Empetrum nigrum), Alaska blueberry (Vaccinium alaskaense), and white bog orchid (Platanthera dilatata), which is vulnerable to climate change and habitat loss. Sitka Alder–Salmonberry Shrubland occupies avalanche paths and disturbed areas, while Sphagnum peatlands (muskeg) occur in poorly drained depressions throughout the lower elevations.
Wildlife communities reflect the area's vertical zonation and aquatic connectivity. Sockeye salmon (Oncorhynchus nerka) and Chinook salmon (Oncorhynchus tshawytscha) migrate into Sockeye Creek and other tributaries, providing food for brown bears (Ursus arctos) and bald eagles (Haliaeetus leucocephalus) during spawning runs. Mountain goats (Oreamnos americanus) inhabit the high ridges and peaks, while gray wolves (Canis lupus) hunt throughout the forested valleys. The federally endangered short-tailed albatross (Phoebastria albatrus) occurs in coastal waters offshore, and the endangered sea otter (Enhydra lutris) inhabits nearshore marine habitats. Steller sea lions (Eumetopias jubatus), vulnerable to population fluctuations, haul out on coastal rocks and islands. Marbled murrelets (Brachyramphus marmoratus), endangered seabirds dependent on old-growth forest, nest in the canopy of the lower hemlock-spruce forests.
A visitor traversing this landscape experiences rapid ecological transitions. Following Sockeye Creek upstream from tidewater, the forest canopy closes overhead, light filtering through hemlock and spruce as the creek's roar echoes off canyon walls. The understory thickens with salmonberry (Rubus spectabilis) and devil's club, their broad leaves creating a dense green wall. Climbing toward Sheep Creek Divide or Goat Ridge, the forest opens gradually, hemlock giving way to stunted mountain hemlock and then to wind-sculpted shrubland. Above treeline, the landscape opens entirely—alpine tundra stretches across the ridges with views to distant peaks and the coastal waters below. The transition from dark, wet forest to exposed alpine barrens occurs over just a few thousand vertical feet, compressing ecological zones that might span hundreds of miles at lower latitudes.
The T'aaḵú Ḵwáan, a Tlingit people, historically occupied the Taku River watershed, Taku Inlet, and the Snettisham area. The Yanyeidí clan established the borders of Taku Tlingit territory in this watershed. The Áak'w Ḵwáan territory historically extended from Berners Bay south to Thane on the Gastineau Channel, bordering the area to the north. These groups maintained settlements at the entrance of Taku Inlet and at the mouth of the Taku River, with seasonal fish camps and smokehouses at river mouths and productive shorelines throughout the area. The Taku River served as a vital trade route—a "grease trail"—connecting coastal Tlingit groups with interior Athabascan peoples. The Taku River is one of the largest salmon-bearing watersheds on the coast; Tlingit groups relied on it for all five species of wild Pacific salmon, and hunted grizzly bear, moose, and mountain goat. The landscape contains numerous archaeological sites, including village sites, gathering places, and burial sites documented in the Taku River Tlingit oral history projects.
In 1794, explorer George Vancouver named the area Port Snettisham, after a village in Norfolk, England. In 1840, the Hudson's Bay Company established Fort Durham (also known as Fort Taku) at the mouth of the Taku River under James Douglas, but the post proved unsuccessful and was abandoned by 1843 in favor of the mobile trading vessel Beaver.
Beginning around 1895, the area became a center of gold and silver mining activity. The Alaska-Snettisham Gold Mining Company operated the Friday and Crystal mines starting in 1899. The Sumdum Chief Mine, located at Sumdum Bay within the region, was a significant producer of gold and silver between 1894 and 1903, featuring a 3,500-foot haulage drift and an aerial tramway connecting the mine portal to a mill. Snettisham developed as a populated settlement and harbor village from approximately 1895 to 1926, with a post office operating from 1900 to 1912. The U.S. Treasury designated Snettisham as a "special landing place" to encourage bulk shipments of coal and railroad iron. The Taku Fishing Company operated a salmon cannery in Snettisham during the early 20th century.
The federal government established forest reserves in the region under the Creative Act of 1891, which granted the President authority to reserve public forest lands. President Theodore Roosevelt established the Alexander Archipelago Forest Reserve on August 20, 1902, by presidential proclamation. Roosevelt created the Tongass National Forest itself on September 10, 1907, through another presidential proclamation. On July 1, 1908, Roosevelt consolidated the Alexander Archipelago Forest Reserve and the existing Tongass National Forest into a single entity known as the Tongass National Forest. Formal legislation recognizing it as a national forest was signed into law in 1909.
In 1971, the Alaska Native Claims Settlement Act (ANCSA) transferred approximately 632,000 acres of old-growth land from the Tongass to private Alaska Native corporations, including Sealaska. Construction of the Snettisham hydroelectric project began in 1967 by the U.S. Army Corps of Engineers. Stage 1 at Long Lake was completed in 1973, providing 47.2 megawatts of power. Stage 2 at Crater Lake was completed in 1990, adding 31 megawatts. The project included construction of a remote camp, boat slip, airstrip, and a 44-mile high-voltage transmission line to Juneau. A state-owned salmon hatchery operates in conjunction with the hydroelectric infrastructure. The facility taps lakes from below, negating the need for a traditional dam, and currently provides approximately 65–80 percent of Juneau's electricity. In 2008, a major avalanche destroyed sections of the transmission line, cutting off Juneau's primary power source for six weeks. The area remains accessible primarily by boat or seaplane; there are no major public roads. In 2001, the Taku-Snettisham area, comprising 664,928 acres, was designated as an Inventoried Roadless Area and protected under the Roadless Area Conservation Rule. Between 2003 and 2023, the forest's roadless boundaries have been subject to multiple legal and executive shifts, including a 2003 exemption by the Bush administration, a 2011 reinstatement by a district court, a 2020 full exemption by the Trump administration, and a 2023 reinstatement by the Biden administration.
Intact Salmon Spawning and Rearing Habitat Across a Transboundary Watershed
The Taku River is the largest salmon-producing river in Southeast Alaska, and the Taku-Snettisham roadless area protects the headwaters and tributary systems—including Annex Creek, Dorothy Creek, Sweetheart Creek, Speel River, Carlson Creek, Whiting River, and Sockeye Creek—that sustain Chinook salmon populations currently under formal rebuilding since 1981. The roadless condition preserves riparian buffers and intact stream channels that regulate water temperature and provide spawning substrate; road construction would remove streamside forest canopy, causing temperature increases that stress cold-water spawning salmon and reduce dissolved oxygen in gravel beds where eggs incubate. Because this area lacks the 700+ fish-blocking culverts found in roaded sections of the Tongass, it functions as a critical refuge for migratory salmon attempting to reach spawning grounds in a watershed threatened by upstream mining pollution and glacial melt from climate change.
Coastal Marine Habitat for Federally Protected and Vulnerable Marine Mammals
The Snettisham Peninsula and surrounding tidelands provide essential haulout and foraging habitat for the federally endangered sea otter (Enhydra lutris) and the vulnerable Steller sea lion (Eumetopias jubatus), which require 3,000-foot buffer zones from human disturbance to maintain breeding and nursing colonies. The roadless condition protects the acoustic and visual isolation these marine mammals depend on; road construction and associated human activity would fragment coastal habitat and increase chronic disturbance that reduces reproductive success and pup survival in already-vulnerable populations. Harbor seals (Phoca vitulina) haul out at Snettisham Rocks in groups of up to 100 individuals, and the intact shoreline and absence of vehicle noise in this roadless area are essential to their ability to rest and thermoregulate between foraging dives.
Alpine and Subalpine Refugia for Climate-Sensitive Seabirds and Wetland Plants
The high-elevation terrain—including Mount Ogden (7,000 ft), Mount Brundage (6,450 ft), Snow Tower (6,572 ft), and extensive alpine tundra—provides breeding and staging habitat for the federally endangered short-tailed albatross (Phoebastria albatrus) and the endangered marbled murrelet (Brachyramphus marmoratus), as well as vulnerable species including the long-tailed duck (Clangula hyemalis), black scoter (Melanitta americana), and black-legged kittiwake (Rissa tridactyla). The roadless condition preserves the elevational gradient connectivity that allows these seabirds to move between coastal foraging areas and upland nesting sites as climate change alters snowpack timing and food availability. The extensive muskeg (Sphagnum peatland) and Sitka alder–salmonberry shrubland ecosystems support the vulnerable white bog orchid (Platanthera dilatata) and provide critical breeding and migration habitat; road construction would fragment these wetland-upland transition zones, disrupting hydrological flow and isolating plant populations that depend on intact peat structure for water retention and nutrient cycling.
Unfragmented Interior Forest Habitat for Old-Growth Dependent Species
The 664,928-acre roadless area preserves continuous western hemlock–Sitka spruce forest and mountain hemlock–subalpine forest without the edge effects and canopy fragmentation caused by road networks. This intact forest interior supports the marbled murrelet, which requires old-growth structural complexity—large trees, dense canopy closure, and moss-laden branches for nesting—that takes centuries to develop and cannot be restored once removed. The roadless condition maintains the unfragmented canopy that regulates microclimate, soil moisture, and understory plant communities that dependent species rely on; road construction would create edge habitat where increased light penetration, wind exposure, and invasive species colonization degrade the interior forest conditions these species require.
Sedimentation and Stream Temperature Increase from Canopy Removal and Cut Slopes
Road construction requires removal of riparian forest along stream corridors and excavation of cut slopes that expose mineral soil to erosion. Sediment from these disturbed slopes enters tributary streams through surface runoff and shallow groundwater flow, smothering spawning gravel and reducing light penetration that salmon eggs and fry depend on for development. Simultaneous removal of streamside hemlock and spruce canopy eliminates shade, causing water temperature increases of 2–5°C in small streams—a critical threshold for Chinook salmon, which require cold water (below 13°C) for spawning and egg incubation; elevated temperatures also reduce dissolved oxygen and accelerate metabolic stress in developing embryos. Because the Taku River watershed is already threatened by glacial melt and upstream mining pollution that degrade water quality, road-induced sedimentation and warming would compound existing stressors on a salmon population already under rebuilding, reducing the likelihood of population recovery.
Habitat Fragmentation and Loss of Elevational Connectivity for Alpine and Subalpine Seabirds
Road construction through the alpine and subalpine zones would fragment the continuous elevational gradient that allows short-tailed albatross, marbled murrelets, long-tailed ducks, and black scoters to move between coastal foraging areas and upland nesting and staging sites as seasonal conditions and climate change alter snowpack timing and food availability. The road corridor itself becomes a barrier to movement, and the associated clearing removes nesting habitat and increases predation risk through edge effects; roads also facilitate human access that increases disturbance to nesting colonies and haul-out sites. Because these seabirds depend on predictable seasonal transitions between elevations to track shifting food sources in a rapidly warming climate, fragmentation of this landscape would isolate populations and reduce their adaptive capacity to respond to climate-driven changes in prey availability and phenology.
Hydrological Disruption of Muskeg and Wetland-Upland Transition Zones
Road construction through muskeg and Sitka alder–salmonberry shrubland requires fill material and drainage to stabilize the roadbed, which disrupts the shallow water table and peat structure that these ecosystems depend on. Drainage ditches and road fill alter subsurface water flow, causing localized drying of peat that reduces the water retention capacity of Sphagnum moss and eliminates the saturated conditions the white bog orchid requires for growth and reproduction. The disruption of wetland-upland transition zones fragments habitat connectivity for species that depend on moving between wet and dry microsites seasonally; it also increases decomposition rates in exposed peat, releasing stored carbon and reducing the carbon sequestration function of these ecosystems. Because muskeg and peatland ecosystems in Southeast Alaska develop over millennia and cannot be restored once hydrologically disrupted, road construction would cause permanent loss of habitat for the vulnerable white bog orchid and the breeding and migration habitat that waterfowl species depend on.
Invasive Species Colonization Along Road Corridors and Increased Human Access
Road construction creates a linear corridor of disturbed soil, reduced canopy cover, and increased human activity that facilitates the establishment and spread of invasive species—including aquatic nuisance species in stream crossings and invasive rodents in riparian areas—that are identified as high-priority threats for the region. The road surface itself becomes a vector for seed dispersal and transport of invasive propagules; the associated increase in human access (vehicles, foot traffic, equipment) introduces new species and increases disturbance that favors invasive competitors over native plants. Because climate change is expected to warm Southeast Alaska and create conditions more favorable for invasive species establishment, road construction would act as a "threat multiplier" that accelerates the colonization of invasive species into an area currently protected by its roadless condition and geographic isolation. Once established, invasive species are extremely difficult to control in remote landscapes, and their spread would degrade habitat quality for the marbled murrelet, seabirds, and wetland plants that depend on native plant communities for food and nesting structure.
The Taku-Snettisham Roadless Area encompasses 664,928 acres of mountainous terrain in Southeast Alaska, ranging from coastal inlets and river valleys to alpine peaks exceeding 7,000 feet. The area's recreation value depends entirely on its roadless condition—the absence of industrial logging roads preserves intact salmon streams, undisturbed winter range for deer, and remote access that defines each activity described here.
Taku-Snettisham lies within Alaska Game Management Unit 1C and supports documented populations of Brown Bear, Black Bear, Sitka Black-tailed Deer, Mountain Goat, Moose, Wolf, Spruce Grouse, Blue Grouse, Ptarmigan, and Hare. Big game seasons typically run August through December, with Brown Bear seasons in fall (September 15–December 31) and spring (March 15–May 31). Mountain Goat season runs September 1 through November 30 under registration permit RG015; hunters must pass a mountain goat identification quiz. The area draining into the south bank of Little Sheep Creek above 2,000 feet has specific boundary regulations for goat hunting. Access is primarily by boat through Taku Inlet, Port Snettisham, Stephens Passage, and Speel Arm, with Taku Point and Jaw Point serving as coastal landmarks. Floatplanes reach alpine lakes and remote coastal strips. The region is recognized for brown bear habitat near salmon-bearing streams and old-growth winter range for deer. Because the roadless rule protects this area from logging roads, it preserves the undisturbed corridors and remote terrain that make these hunts possible.
The Taku River supports all five Pacific salmon species—Chinook, Sockeye, Coho, Pink, and Chum—and is a major transboundary river where Canadian-hatched salmon migrate through U.S. waters. Sweetheart Creek holds Sockeye, Pink, and Chum salmon, plus Arctic char, Arctic grayling, and Dolly Varden. Annex Creek and nearby Annex Lakes support Pink salmon and Dolly Varden. Dorothy Creek is associated with Chinook salmon runs in Taku Inlet. The Speel River and Whiting River are significant hydrological features within the roadless area. Personal use Sockeye fishing on Sweetheart Creek is permitted upstream of the ADF&G regulatory marker near the mouth; spearguns and hook-and-line for salmon are prohibited in this fishery. On the Taku River, personal use Sockeye may be taken with set gillnets (maximum 15 fathoms) from July 15 to August 14, from Taku River Lodge upstream to the U.S./Canada border. Upper Taku Inlet north of a line from Cooper Point to Dorothy Creek mouth has historically faced King salmon closures or reduced bag limits (1 fish 28 inches or longer). Pink salmon limits are generally 150 per season for personal use. Federal subsistence Sockeye seasons on the Taku River run July 15 to August 14. Most fishing access is by boat from Juneau to coastal and river mouth areas including Taku Point and Sweetheart Creek mouth; floatplanes reach remote inland sections and lakes. The roadless condition preserves the intact habitat and wild salmon runs that define this fishery.
The Taku-Snettisham area hosts high concentrations of Bald Eagles along mainland rivers and saltwater shorelines. Waterfowl and sea ducks documented in the region include Barrow's Goldeneye, Harlequin Duck, Scoters, Oldsquaw, Bufflehead, Mergansers, and Mallards. The Taku River and nearby wetlands serve as refueling stops for Tundra Swans, Northern Pintails, American Golden-Plovers, Sandpipers, and Red-necked Phalaropes. Forest and alpine species include Marbled Murrelet, Northern Goshawk, Spruce Grouse, Red-breasted Sapsucker, Swainson's Thrush, and Chestnut-backed Chickadee. Breeding season peaks in June for observing nesting birds and forest songs. Spring migration (April–May) brings Rufous Hummingbirds from Mexico and shorebirds moving north along the Pacific Flyway. Summer breeding warblers include Townsend's Warbler, common in Southeast rainforests, and Blackpoll Warbler, which migrates from South America to northern coniferous forests. Fall migration (August–September) moves shorebirds and songbirds south. The West Turner Lake Cabins and Taku Glacier Cabin, maintained by the Forest Service and Territorial Sportsmen, provide remote basecamps for observing riverine and forest birds. Access is by boat or floatplane. The roadless condition preserves the old-growth forest interior and undisturbed river corridors that support these bird communities.
The Taku River is a major multi-day canoe and kayak destination, paddled from its British Columbia headwaters through the Tongass to Taku Inlet. The main stem is classified Class I and Class II—fast, continuous, small-to-medium volume in upper reaches with wood hazards in braided channels, becoming wide and slow near the coast. The Sheslay River, a tributary accessed via the Inklin River, is the most common route for exploring the Taku watershed and is classified Class III–IV. The Sloko River, a headwater tributary, contains miles of challenging rapids downstream of a major waterfall and has been run at extreme low water in early season after ice breakup. The Twin Glacier Lake Slough connects Twin Glacier Lake to the Taku River and is used by packrafters and canoeists. The Turner River provides access to West Turner Lake, where a rowboat is provided at the cabin for lake paddling. Common put-in and take-out points include Twin Glacier Lake (floatplane drop-off at West Twin Glacier beach), Sheslay River headwater lakes (floatplane access), Taku Glacier Cabin (stopover for kayakers and rafters), Taku Lodge (take-out with deadhead flights to Juneau), and Douglas Harbor in Juneau (starting point for motorized boat support or coastal kayaking into Taku Inlet). Flow is influenced by glacial melt and tidal stages near the river delta. Several commercial outfitters organize multi-day guided canoe trips on the Taku River. The roadless condition preserves the remote, undeveloped character and continuous water corridors that make these expeditions possible.
Species with confirmed research-grade observation records from iNaturalist community science data.
Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.
Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.