Grief Hill

Prescott National Forest · Arizona · 12,535 acres · RoadlessArea Rule (2001)
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Description

The Grief Hill Roadless Area encompasses 12,535 acres of mountainous terrain in the Verde Ranger District of the Prescott National Forest, draining through Buckbed Wash, Grief Hill Wash, and Cherry Creek to the Verde River watershed in Yavapai County, Arizona. The terrain spans Table Mountain, Hull Hill, Onion Mountain, Juniper Hill, Pinto Mesa, and the Black Hills, with canyon systems including Gaddis Canyon, Boulder Canyon, and C F Canyon dissecting the interior of the roadless block.

Sky Island Pinyon-Juniper Woodland dominates the mid-elevation terrain, with Two-needle Pinyon Pine (Pinus edulis) and Utah Juniper (Juniperus osteosperma) covering the mesa tops and canyon rims. Arizona Plateau Chaparral — dense stands of Shrub Live Oak (Quercus turbinella), Mexican Manzanita (Arctostaphylos pungens), and Skunkbush (Rhus trilobata) — occupies the rocky slopes and mid-canyon walls. On the upper elevations toward Table Mountain and Grief Hill, Sky Island Oak Woodland with Emory's Oak (Quercus emoryi) transitions into scattered stands of Southwestern Ponderosa Pine (Pinus brachyptera). The lower drainage margins carry Warm Desert Mountain Streamside Woodland with Fremont Cottonwood (Populus fremontii) and Velvet Mesquite (Neltuma velutina) along the perennial reaches of Cherry Creek. The desert-facing lower elevations support Upper Sonoran Desert Scrub with Crucifixion-thorn (Canotia holacantha) and Saguaro Cactus and Palo Verde Desert elements at the lowest canyon mouths.

The grassland openings and chaparral zones are characterized by Black Grama (Bouteloua eriopoda), Sideoats Grama (Bouteloua curtipendula), Sacahuista Bear-grass (Nolina microcarpa), and Desert paintbrush (Castilleja chromosa). Feather-plume Dalea (Dalea formosa) and Fleshy-fruit Yucca (Yucca baccata) mark the transition between chaparral and desert scrub. Springs distributed through the interior — Indian Spring, Bardshare Spring, Logan Mine Spring, Gaddis Canyon Spring, Lyon Spring, Hull Spring, and Pinto Mesa Spring — provide dispersed water sources supplemented by a dense network of stock tanks.

The roadless area's bird community reflects the pinyon-juniper and chaparral character of the Prescott highlands. Phainopepla (Phainopepla nitens) is a characteristic resident of the mistletoe-bearing junipers and desert scrub. Virginia's Warbler (Leiothlypis virginiae), Black-chinned Sparrow (Spizella atrogularis), Plumbeous Vireo (Vireo plumbeus), and Scott's Oriole (Icterus parisorum) breed across the pinyon-juniper and chaparral zones. Long-eared Owl (Asio otus), Black-throated Gray Warbler (Setophaga nigrescens), and Lawrence's Goldfinch (Spinus lawrencei) are also documented. Arizona Gray Squirrel (Sciurus arizonensis), Coyote (Canis latrans), Sonora Mud Turtle (Kinosternon sonoriense), Western Diamond-backed Rattlesnake (Crotalus atrox), and Arizona Black Rattlesnake (Crotalus cerberus) represent the mammal and reptile community across the canyon and woodland habitats.

History

Grief Hill is a 12,535-acre Inventoried Roadless Area in the Verde Ranger District of the Prescott National Forest, Yavapai County, Arizona. The area occupies the headwaters of Cherry Creek and drains to the Verde River watershed.

The lands that now form the Prescott National Forest have been occupied by human communities for at least 12,000 years. [1] The Yavapai people — the Yavapé, whose name means "people of the sun" — inhabited central Arizona's highlands and river valleys for centuries, including the Verde River drainage and the mountain terrain of the Prescott highlands. [3] Their territory encompassed the landscape that now includes the Verde Ranger District, and the Yavapai-Apache communities of the Verde Valley maintain connections to these lands through the present day. Control over Yavapai and Apache homelands in central Arizona passed from Spanish to Mexican authority in 1821, and to the United States under the Treaty of Guadalupe Hidalgo in 1848. [3]

The mountains of Yavapai County proved extraordinarily rich in mineral resources, and the Cherry Creek watershed sits at the center of one of the county's many productive mining districts. The Cherry Creek Mining District, within the headwaters of the same watershed now occupied by the Grief Hill Roadless Area, is recorded as one of the many lode gold districts in Yavapai County and Central Arizona — a county that historically became the largest gold producer in Arizona, having yielded more than 3 million ounces of gold over its mining history. [4] Major gold discoveries in the Bradshaw Mountains, beginning in the 1860s, set off a sustained era of mining and settlement that drew prospectors, cattlemen, and loggers into the mountain terrain of the Prescott highlands. [2,5] By 1898, most of the mature timber had been stripped from the mountains and hillsides, sawed into timbers and construction lumber for the mining operations. Oak and juniper at lower elevations were cut to fuel mine and smelter boilers. [2]

The Prescott Forest Reserve was established on May 10, 1898, by proclamation of President William McKinley, initially to protect Prescott's domestic watershed from the degradation that a generation of unregulated mining, grazing, and logging had caused. [2] In October 1899, President McKinley issued Proclamation 440 enlarging the reserve to extend broader protection across the depleted timberlands. [6] In 1908, the reserve was renamed the Prescott National Forest and expanded when it absorbed the adjacent Verde National Forest, which had been created to protect the Verde River watershed draining the terrain that includes the present-day Grief Hill area. [2] The Grief Hill Roadless Area, within the Verde Ranger District, is today protected under the 2001 Roadless Area Conservation Rule.

Conservation: Why Protection Matters

Vital Resources Protected

Cherry Creek Headwater Stream Integrity

The Grief Hill Roadless Area protects the headwater drainage system of Cherry Creek — the primary watercourse of the Cherry Creek watershed — along with Buckbed Wash, Grief Hill Wash, and Gaddis Wash. The roadless condition maintains intact stream banks, natural sediment regimes, and the riparian canopy structure of Warm Desert Mountain Streamside Woodland that sustains the perennial and semi-perennial reaches where Vulnerable Sonoran Mud Turtle (Kinosternon sonoriense) and Vulnerable Desert Sucker (Pantosteus clarkii) depend on undisturbed pool and riffle habitat. The dense network of springs — Indian Spring, Bardshare Spring, Logan Mine Spring, Gaddis Canyon Spring, Lyon Spring, and Pinto Mesa Spring — provides baseflow to the drainage and supplies water sources that cannot be maintained if road construction alters the soil infiltration and groundwater recharge of the contributing upland.

Pinyon-Juniper Interior Woodland and Bat Foraging Habitat

The Sky Island Pinyon-Juniper Woodland across the mesa terrain of Grief Hill, Table Mountain, Onion Mountain, and the Black Hills represents the largest contiguous undivided woodland block in this portion of the Verde Ranger District. The full-canopy interior woodland conditions support Vulnerable Northern Hoary Bat (Lasiurus cinereus), a long-distance migratory bat that forages across open and semi-open pinyon-juniper woodland; road corridors and their associated vehicle traffic create direct mortality and foraging disturbance in the open woodland spaces these bats rely on during migration and seasonal movement through the Prescott highlands.

Desert-to-Woodland Transition and Chaparral Plant Communities

The Grief Hill area preserves an intact transition from Upper Sonoran Desert Scrub and Saguaro Cactus and Palo Verde Desert at the lower canyon margins through Arizona Plateau Chaparral to Sky Island Pinyon-Juniper Woodland and Ponderosa Pine on the upper slopes. Vulnerable Rhinotropis rusbyi (Rhinotropis rusbyi), a freshwater snail documented in the area, requires stable, undisturbed stream and spring microhabitat conditions of the type found in the springs and seeps distributed through the roadless terrain. The chaparral-to-desert transition zone on the Black Hills and lower Grief Hill terrain maintains undisturbed rocky slope conditions for Engelmann's Hedgehog Cactus and other desert-to-chaparral transitional plants.


Potential Effects of Road Construction

Headwater Sedimentation and Spring Disruption

Road construction through the Cherry Creek headwater drainages would introduce sedimentation from cut slopes into Buckbed Wash, Grief Hill Wash, and the Cherry Creek main stem, degrading the clean-water pool and riffle habitat that Sonoran Mud Turtle and Desert Sucker require. Soil compaction and altered surface drainage from road construction near the dense spring network — Logan Mine Spring, Gaddis Canyon Spring, Lyon Spring, Pinto Mesa Spring — risks reducing groundwater recharge that sustains these springs through dry seasons, with direct effects on the stream and spring microhabitats supporting Vulnerable Rhinotropis rusbyi.

Bat Foraging Corridor Disruption

Road construction through the pinyon-juniper woodland of the mesa terrain would create vehicle traffic corridors that generate direct mortality for Northern Hoary Bat during low-altitude foraging over open woodland. Road-associated lighting, if installed, would attract and concentrate aerial insects, altering the foraging behavior of migratory bat species in ways that reduce energy efficiency during the critical migration periods when these animals are traveling long distances between seasonal ranges. The loss of interior woodland foraging conditions — quiet, low-disturbance open woodland canopy — would persist as long as the road remains in use.

Invasive Species Introduction and Chaparral Degradation

Disturbed road shoulders and cut slopes in Arizona Plateau Chaparral and Upper Sonoran Desert Scrub habitats are primary establishment corridors for buffelgrass and other invasive grasses that increase fire frequency in these normally fire-resilient shrublands. Increased fire frequency converts dense chaparral to open, grass-dominated shrubland that reduces the structural complexity and canopy cover on which chaparral-resident birds and small mammals depend, and that degrades the rocky slope microhabitats used by desert-to-chaparral transitional plant communities.

Recreation & Activities

The Grief Hill Roadless Area encompasses 12,535 acres of pinyon-juniper and chaparral terrain in the Verde Ranger District of the Prescott National Forest, above the Verde River Valley in Yavapai County, Arizona. Two long-distance trail systems cross the roadless area with access from Grief Hill Equestrian Trailhead.

Trail Access

General Crook Trail (Trail 64) traverses 9.7 miles through the Grief Hill roadless terrain on native-surface tread, open to hikers, equestrians, and mountain bikers. Camp Verde Trail (Trail 545) adds 12.5 miles of additional native-surface route, open to hikers and horses. Together these trails provide over 22 miles of non-motorized trail across the mesa and canyon terrain of Table Mountain, Hull Hill, Grief Hill, and the Black Hills. Grief Hill Equestrian Trailhead serves both routes and is the primary staging area for stock-based access into the roadless interior. No designated campgrounds are documented within the roadless block.

The General Crook Trail follows a historic military route across central Arizona — the trail traces a path used by U.S. Army forces during the 1870s Apache campaigns and is named for General George Crook, who commanded operations in the Arizona Territory. Traveling the trail through the Grief Hill area connects riders and hikers to this documented nineteenth-century military corridor across the Prescott highlands.

Birding and Wildlife Watching

The Grief Hill area sits within one of the most intensely birded landscapes in Arizona, with 30 eBird hotspots documented within 24 km. Dead Horse Ranch State Park, in the Verde River Valley below the roadless area, leads with 259 species across 4,113 checklists — one of the most actively documented birding sites in the state. Montezuma Castle NM--Montezuma Well records 218 species across 1,524 checklists; The Jail Trail records 184 species; Tuzigoot National Monument records 183 species. Indian Spring, a named water source within the Grief Hill roadless area itself, is documented as an eBird hotspot with 124 species and 71 checklists.

Within the roadless terrain, the pinyon-juniper and chaparral community supports Scott's Oriole, Phainopepla, Virginia's Warbler, and Black-chinned Sparrow as breeding residents. Long-eared Owl is documented in the area; Lawrence's Goldfinch and Black-throated Gray Warbler move through the chaparral and oak-juniper zones seasonally. The spring network — Indian Spring, Bardshare Spring, and the stock tank complex — concentrates wildlife during dry periods and provides reliable viewing points for desert-adjacent and chaparral species.

Equestrian Recreation

The combination of General Crook Trail, Camp Verde Trail, and Grief Hill Equestrian Trailhead makes the Grief Hill area one of the more accessible multi-day equestrian destinations in the Prescott National Forest's Verde Ranger District. The native-surface trails, historic route character of the General Crook corridor, and the spring and tank water sources distributed through the interior provide the forage, water, and route access that support extended stock travel. Arizona Gray Squirrel, Coyote, Western Diamond-backed Rattlesnake, and Arizona Black Rattlesnake are all documented in the canyon and mesa terrain traversed by these routes.

Roadless Character and Recreation Dependency

The 22+ miles of non-motorized trail across the Grief Hill roadless area, the historic General Crook Trail corridor, and the Indian Spring birding hotspot within the roadless block all depend on the vehicle-free character of the mesa and canyon terrain. Road construction through the pinyon-juniper and chaparral zones would introduce motorized access and associated disturbance that would degrade the quiet, non-motorized trail experience the General Crook and Camp Verde routes currently provide across one of the Prescott National Forest's largest roadless trail corridors.

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Observed Species (95)

Species with confirmed research-grade observation records from iNaturalist community science data.

Arizona Black Rattlesnake (1)
Crotalus cerberus
Arizona Gray Squirrel (1)
Sciurus arizonensis
Black Grama (1)
Bouteloua eriopoda
Brook-pimpernel (1)
Veronica anagallis-aquatica
Cactus-apple (3)
Opuntia engelmannii
California Brickell-bush (1)
Brickellia californica
California Kingsnake (1)
Lampropeltis californiae
Catclaw Acacia (1)
Senegalia greggii
Colorado Barberry (2)
Berberis haematocarpa
Colorado Four-o'clock (3)
Mirabilis multiflora
Common Horehound (2)
Marrubium vulgare
Common Purslane (1)
Portulaca oleracea
Common Raven (1)
Corvus corax
Common Side-blotched Lizard (2)
Uta stansburiana
Common Sunflower (1)
Helianthus annuus
Coyote (3)
Canis latrans
Crucifixion-thorn (1)
Canotia holacantha
Desert Spiny Lizard (1)
Sceloporus magister
Desert Sucker (1)
Pantosteus clarkii
Desert paintbrush (3)
Castilleja chromosa
Desert-willow (1)
Chilopsis linearis
Dollar-joint Prickly-pear (6)
Opuntia chlorotica
Emory's Oak (1)
Quercus emoryi
Engelmann's Hedgehog Cactus (14)
Echinocereus engelmannii
Feather-plume Dalea (2)
Dalea formosa
Field Anoda (1)
Anoda pentaschista
Fleshy-fruit Yucca (1)
Yucca baccata
Foot-hill Trefoil (1)
Acmispon brachycarpus
Fragrant Sumac (1)
Rhus aromatica
Fremont Cottonwood (1)
Populus fremontii
Giant Redheaded Centipede (1)
Scolopendra heros
Giant Velvet Mites (1)
Dinothrombium
Goodding's Vervain (1)
Glandularia gooddingii
Gophersnake (1)
Pituophis catenifer
Greater Short-horned Lizard (1)
Phrynosoma hernandesi
Hollyleaf Redberry (1)
Rhamnus ilicifolia
Juniper Mistletoe (1)
Phoradendron juniperinum
King's Milkvetch (2)
Astragalus calycosus
Large-flowered Breadroot (2)
Pediomelum megalanthum
Lawrence's Goldfinch (1)
Spinus lawrencei
Little Barley (1)
Hordeum pusillum
Lobeleaf Groundsel (1)
Packera multilobata
Madrean Alligator Lizard (1)
Elgaria kingii
Mesa Tansy-aster (1)
Machaeranthera tagetina
Mescat Acacia (1)
Vachellia constricta
Mexican Manzanita (1)
Arctostaphylos pungens
Mohave Rattlesnake (1)
Crotalus scutulatus
Mojave Desert Whitethorn (2)
Ceanothus pauciflorus
Narrowleaf Yerba Santa (2)
Eriodictyon angustifolium
Nevada Desert-parsley (1)
Lomatium nevadense
New Mexico Prickly-pear (3)
Opuntia phaeacantha
New Mexico Thistle (1)
Cirsium neomexicanum
Northern Hoary Bat (1)
Lasiurus cinereus
Northern Yellow Warbler (1)
Setophaga aestiva
Orange Caltrop (2)
Kallstroemia grandiflora
Orange-crowned Warbler (1)
Leiothlypis celata
Oreganillo (1)
Aloysia wrightii
Pale Wolf-berry (1)
Lycium pallidum
Phainopepla (1)
Phainopepla nitens
Pin Clover (1)
Erodium cicutarium
Recluse Spiders (1)
Loxosceles
Red Owl's-clover (1)
Castilleja exserta
Red-spotted Toad (1)
Anaxyrus punctatus
Rough Menodora (1)
Menodora scabra
Rusby's Globemallow (2)
Sphaeralcea rusbyi
Rusby's Milkwort (1)
Rhinotropis rusbyi
Sacahuista Bear-grass (2)
Nolina microcarpa
Say's Phoebe (1)
Sayornis saya
Scurfy Mallow (1)
Malvella lepidota
Shaggy Mane (1)
Coprinus comatus
Shrub Live Oak (2)
Quercus turbinella
Sideoats Grama (1)
Bouteloua curtipendula
Silverleaf Nightshade (5)
Solanum elaeagnifolium
Skunkbush (1)
Rhus trilobata
Small-flower Fiddleneck (1)
Amsinckia menziesii
Small-flower Ratany (2)
Krameria erecta
Sonora Mud Turtle (2)
Kinosternon sonoriense
Sonoran Whipsnake (1)
Masticophis bilineatus
Southwest Prickly-poppy (3)
Argemone pleiacantha
Southwestern Ponderosa Pine (1)
Pinus brachyptera
Spider Milkweed (2)
Asclepias asperula
Spinystar (1)
Escobaria vivipara
Spring Polypore (1)
Lentinus arcularius
Sugar Sumac (1)
Rhus ovata
Taper-tip Onion (1)
Allium acuminatum
Toadflax Beardtongue (1)
Penstemon linarioides
Trailing Windmills (1)
Allionia incarnata
Two-needle Pinyon Pine (1)
Pinus edulis
Utah Juniper (2)
Juniperus osteosperma
Velvet Mesquite (1)
Neltuma velutina
Whipple Cholla (1)
Cylindropuntia whipplei
Wright Thelypody (2)
Thelypodium wrightii
Wright's Buckwheat (3)
Eriogonum wrightii
Yellow-throat Gilia (1)
Gilia flavocincta
Federally Listed Species (10)

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.

Loach Minnow
Tiaroga cobitisEndangered
Mexican Spotted Owl
Strix occidentalis lucidaThreatened
Spikedace
Meda fulgidaEndangered
Gila Chub
Gila intermediaE, PDL
Gila Topminnow
Poeciliopsis occidentalis
Gila Trout
Oncorhynchus gilae
Mexican Wolf
Canis lupus baileyiE, XN
Monarch
Danaus plexippusProposed Threatened
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (11)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Bald Eagle
Haliaeetus leucocephalus
Black-chinned Sparrow
Spizella atrogularis
Black-throated Gray Warbler
Setophaga nigrescens
Broad-tailed Hummingbird
Selasphorus platycercus
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Phainopepla
Phainopepla nitens lepida
Plumbeous Vireo
Vireo plumbeus
Scott's Oriole
Icterus parisorum
Virginia's Warbler
Leiothlypis virginiae
Migratory Birds of Conservation Concern (10)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Bald Eagle
Haliaeetus leucocephalus
Black-chinned Sparrow
Spizella atrogularis
Black-throated Gray Warbler
Setophaga nigrescens
Broad-tailed Hummingbird
Selasphorus platycercus
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Phainopepla
Phainopepla nitens
Plumbeous Vireo
Vireo plumbeus
Scott's Oriole
Icterus parisorum
Vegetation (10)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Sky Island Pinyon-Juniper Woodland
Tree / Conifer · 3,650 ha
GNR71.9%
Arizona Plateau Chaparral
Shrub / Shrubland · 584 ha
GNR11.5%
North American Warm Desert Ruderal & Planted Scrub
Shrub / Exotic Tree-Shrub · 227 ha
4.5%
Apache-Chihuahuan Desert Grassland
Shrub / Shrubland · 154 ha
GNR3.0%
Sky Island Oak Woodland
Tree / Conifer-Hardwood · 127 ha
GNR2.5%
North American Warm Desert Bedrock Cliff and Outcrop
Sparse / Sparsely Vegetated · 110 ha
2.2%
Upper Sonoran Desert Scrub
Shrub / Shrubland · 59 ha
GNR1.2%
Sky Island Juniper Savanna
Tree / Conifer · 50 ha
GNR1.0%
Saguaro Cactus and Palo Verde Desert
Shrub / Shrubland · 45 ha
GNR0.9%
Sky Island Pine-Oak Forest
Tree / Conifer-Hardwood · 43 ha
GNR0.9%

Grief Hill

Grief Hill Roadless Area

Prescott National Forest, Arizona · 12,535 acres