- Region
- NV, USA
- Country
- United States
- Best for
- hiking
- Best season
- Spring, Summer
- Permits
- Confirm current permit requirements with t…
- Managed by
- USDA Forest Service, Humboldt-Toiyabe National Forest, Austin-Tonopah Ranger District
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Photos of Arc Dome Wilderness
How to get there
Arc Dome Wilderness lies in the southern Toiyabe Range in central Nevada. Named approaches include the parking areas at Ophir Summit and South Twin, plus the Cow Canyon Trail on the western boundary. Access is difficult; confirm approach-road conditions and directions with the Austin-Tonopah Ranger District’s Tonopah Office at 775-482-6286.
- Ophir Summit parking area
An access point for the Toiyabe Crest National Recreation Trail and its passage through Arc Dome Wilderness toward South Twin.
- South Twin parking area
An access point at the other end of the described Toiyabe Crest Trail passage through the wilderness from Ophir Summit.
- Cow Canyon Trail western-boundary access
A western approach that follows the Reese River for about a mile before splitting toward connecting trails.
Sources: fs.usda.gov · University of Montana / federal agency partners · Wilderness Connect / federal wilderness boundary inventory · Wikipedia. Confirm road and trailhead conditions with the managing agency before you leave.
NV, USA · United States
- Fishing
- Mountaineering
- Desert Hiking
- Canyoneering
- Hiking
- Backpacking
- Wildlife Viewing
- Canoeing
High country in the southern Toiyabe Range
Arc Dome Wilderness occupies the southern third of the Toiyabe Range in central Nevada’s Nye County. It is rugged mountain country with difficult access, and much of it lies above 10,000 feet. Arc Dome Peak reaches 11,778 feet, making elevation a central part of trip planning rather than just a summit statistic. The two sides of the range have different terrain: western slopes rise gradually from the Reese River Valley, while rocky canyons cut into steep eastern slopes. Sagebrush and grass give way to pinyon-juniper woodland, with occasional pine and aspen stands. Much of the high country is open, with broad views and little shelter from weather. Plan for exposed travel, carry layers suited to changing mountain conditions, and leave enough flexibility to turn back when conditions or altitude slow progress.
Crest travel and summit connections
The Toiyabe Crest National Recreation Trail provides the main framework for longer trips, passing through more than 30 miles of the wilderness between parking areas at Ophir Summit and South Twin. Its open ridge country offers extensive views, but water is scarce along the trail. Build an itinerary around confirmed water availability rather than assuming that mapped drainages will supply drinking water. For summit planning, distinguish the Arc Dome Trail from the Arc Dome Summit Trail. The 4.8-mile Arc Dome Trail, numbered 24020, connects with the crest trail at both its north and south ends and provides access to the separate Arc Dome Summit Trail, numbered 24019. That 4.8-mile figure is not a complete trailhead-to-summit distance. Choose the approach and turnaround before calculating supplies, and carry navigation that shows the connecting trails.
River approaches, wildlife, and wilderness travel
Lower approaches offer a different trip from the exposed crest. From the western boundary, the Cow Canyon Trail follows the Reese River for about a mile before branching toward other trails and much of the wilderness. Eastern-boundary trails reach North Twin Creek and South Twin Creek. Those creeks and the Reese River support trout, making the drainages relevant to anglers as well as hikers. Wildlife includes deer, beavers, grouse, and raptors; desert bighorn sheep occur in the eastern Jett Canyon–Twin Rivers region but are seldom seen. Give wildlife space and keep food secured. Hiking, backpacking, and horseback riding are options here, but motorized vehicles and equipment, bicycles, and other wheeled or mechanized transport are prohibited within the wilderness. Confirm permit requirements and current access conditions with the Austin-Tonopah Ranger District before departure.
Where on earth
Satellite imagery flying in from a world view to Arc Dome Wilderness, United States. Use the + / − buttons, or click the map to zoom with your scroll wheel; drag to pan and pinch to zoom on touch.
Coordinates
- Decimal degrees
- 38.8121, -117.3365
- Latitude (DMS)
- 38° 48′ 43.4″ N
- Longitude (DMS)
- 117° 20′ 11.2″ W
Coordinates are an access-point reference for Arc Dome Wilderness, not a route. Carry a paper map and confirm trailhead or put-in access with the managing agency before you go.
Topic summary
The Arc Dome Wilderness comprises the southern third of the Toiyabe Range, a rugged spine of mountains with difficult access, and includes the range's highest summits. Much of the Wilderness lies above...
Key takeaways
- Region: NV, USA
- Country: United States
- Good for: hiking
- Coordinates: 38.812, -117.336
Intended uses
hiking
Keep planning
Popular pursuits at Arc Dome Wilderness
- Fishing
Resident gamefish, seasons, and the water that holds them.
- Mountaineering
Glacier and high-route objectives with real consequence.
- Desert Hiking
Water carries and heat management drive the plan.
- Canyoneering
Narrows, downclimbs, and flash-flood timing.
- Hiking
Day miles on marked trail, with route notes and trail links below.
- Backpacking
Multi-day travel with everything on your back — see the packing blocks below.
Animals around Arc Dome Wilderness
High country in the southern Toiyabe Range
Arc Dome Wilderness occupies the southern third of the Toiyabe Range in central Nevada’s Nye County. It is rugged mountain country with difficult access, and much of it lies above 10,000 feet. Arc Dome Peak reaches 11,778 feet, making elevation a central part of trip planning rather than just a summit statistic. The two sides of the range have different terrain: western slopes rise gradually from the Reese River Valley, while rocky canyons cut into steep eastern slopes. Sagebrush and grass give way to pinyon-juniper woodland, with occasional pine and aspen stands. Much of the high country is open, with broad views and little shelter from weather. Plan for exposed travel, carry layers suited to changing mountain conditions, and leave enough flexibility to turn back when conditions or altitude slow progress.
Crest travel and summit connections
The Toiyabe Crest National Recreation Trail provides the main framework for longer trips, passing through more than 30 miles of the wilderness between parking areas at Ophir Summit and South Twin. Its open ridge country offers extensive views, but water is scarce along the trail. Build an itinerary around confirmed water availability rather than assuming that mapped drainages will supply drinking water. For summit planning, distinguish the Arc Dome Trail from the Arc Dome Summit Trail. The 4.8-mile Arc Dome Trail, numbered 24020, connects with the crest trail at both its north and south ends and provides access to the separate Arc Dome Summit Trail, numbered 24019. That 4.8-mile figure is not a complete trailhead-to-summit distance. Choose the approach and turnaround before calculating supplies, and carry navigation that shows the connecting trails.
River approaches, wildlife, and wilderness travel
Lower approaches offer a different trip from the exposed crest. From the western boundary, the Cow Canyon Trail follows the Reese River for about a mile before branching toward other trails and much of the wilderness. Eastern-boundary trails reach North Twin Creek and South Twin Creek. Those creeks and the Reese River support trout, making the drainages relevant to anglers as well as hikers. Wildlife includes deer, beavers, grouse, and raptors; desert bighorn sheep occur in the eastern Jett Canyon–Twin Rivers region but are seldom seen. Give wildlife space and keep food secured. Hiking, backpacking, and horseback riding are options here, but motorized vehicles and equipment, bicycles, and other wheeled or mechanized transport are prohibited within the wilderness. Confirm permit requirements and current access conditions with the Austin-Tonopah Ranger District before departure.
Route options
- Arc Dome Trail4.8 miles
Trail 24020 connects at both ends with the Toiyabe Crest National Recreation Trail and provides access to Arc Dome Summit Trail 24019. Its stated length covers the connector trail, not a complete summit outing.
- Arc Dome Summit Trail connection
Reach the separate Arc Dome Summit Trail, numbered 24019, from the Arc Dome Trail. Account for the approach and return when planning a summit trip.
- Toiyabe Crest National Recreation Trail wilderness passageMore than 30 miles within the wilderness
Travel through high, open country between Ophir Summit and South Twin, with connections toward Arc Dome’s summit. Water is scarce, so confirm sources before committing to a longer itinerary.
- Cow Canyon Trail
Enter from the western boundary and follow the Reese River for about a mile to branching trails that reach farther into the wilderness. Choose a specific continuation before setting the trip length.
Sample itineraries
- Cow Canyon and Reese River day hike · 1 day
Approach from the western boundary on the Cow Canyon Trail. Follow the Reese River for about a mile to the trail split, then return or explore a connecting trail according to conditions and ability. Confirm access before leaving; this rugged range has difficult approaches.
- Arc Dome summit backpack · 3 days
Plan an out-and-back backpack using the Toiyabe Crest National Recreation Trail, Arc Dome Trail, and Arc Dome Summit Trail. Allow an approach day, a summit day, and a return day. Choose the starting point and daily mileage after checking access and water; this is not a full crest traverse.
Seasonal conditions
Spring
Spring; confirm high-country conditions
Much of the wilderness lies above 10,000 feet. Check snow coverage and approach conditions before committing to the crest or summit. Keep lower-elevation alternatives flexible rather than assuming high trails are ready for hiking.
Summer
Summer; plan around water availability
Open high country offers little shelter, and the Toiyabe Crest Trail has little water. Carry sun protection, reserve water capacity, and layers for changing mountain weather. Confirm sources rather than relying on a map alone.
Fall
Fall; check weather before departure
Plan conservatively for cold conditions and shorter daylight on high-elevation routes. Difficult access adds time beyond the hike itself. Carry insulation and leave room to shorten a crest or summit trip if weather deteriorates.
Winter
Winter; verify access and snow conditions
Treat the high crest and summit as winter mountain terrain when snow or ice is present. Do not assume hiking approaches remain usable. Check conditions with the managing district and match equipment and route choice to the forecast.
| Season | Window | Conditions |
|---|---|---|
| Spring | Spring; confirm high-country conditions | Much of the wilderness lies above 10,000 feet. Check snow coverage and approach conditions before committing to the crest or summit. Keep lower-elevation alternatives flexible rather than assuming high trails are ready for hiking. |
| Summer | Summer; plan around water availability | Open high country offers little shelter, and the Toiyabe Crest Trail has little water. Carry sun protection, reserve water capacity, and layers for changing mountain weather. Confirm sources rather than relying on a map alone. |
| Fall | Fall; check weather before departure | Plan conservatively for cold conditions and shorter daylight on high-elevation routes. Difficult access adds time beyond the hike itself. Carry insulation and leave room to shorten a crest or summit trip if weather deteriorates. |
| Winter | Winter; verify access and snow conditions | Treat the high crest and summit as winter mountain terrain when snow or ice is present. Do not assume hiking approaches remain usable. Check conditions with the managing district and match equipment and route choice to the forecast. |
Permits, fees & closures
Confirm current permit requirements with the Humboldt-Toiyabe National Forest's Austin-Tonopah Ranger District, Tonopah Office: 775-482-6286.
Official source: Humboldt-Toiyabe National Forest | Arc Dome Trail · Verified October 19, 2026
Hazards & regulations
- High elevation: much of the wilderness exceeds 10,000 feet, and Arc Dome Peak reaches 11,778 feet. Pace conservatively and descend if altitude symptoms develop.
- Limited water: the Toiyabe Crest Trail has little water. Verify sources and carry enough for dry stretches.
- Steep terrain: rocky canyons divide the eastern slopes. Avoid treating a direct line on the map as a practical route.
- Difficult access and light trail use: allow extra approach time, carry navigation backups, and leave a trip plan with a reliable contact.
- Open high country: exposed terrain offers limited shelter from mountain weather. Carry protective layers and turn back before conditions exceed your equipment or ability.
What to pack for Arc Dome Wilderness
- Topographic map and compass
- Offline navigation with backup power
- Satellite communicator
- First-aid kit and emergency shelter
- Headlamp
- Water containers sized for dry crest travel
- Water treatment
- Extra food for access or weather delays
- Insulating layers
- Windproof and waterproof shell
- Sun hat, sunglasses, and sunscreen
- Footwear suited to rocky terrain
Arc Dome Wilderness FAQ
- Where is Arc Dome Wilderness?
- It occupies the southern third of the Toiyabe Range in central Nevada's Nye County. The Humboldt-Toiyabe National Forest administers it. Western slopes rise gradually from the Reese River Valley, while the eastern side has steep inclines and rocky canyons.
- Does the Arc Dome Trail reach the summit?
- The 4.8-mile Arc Dome Trail, number 24020, connects at both ends with the Toiyabe Crest National Recreation Trail. It provides access to the separate Arc Dome Summit Trail, number 24019. The 4.8-mile figure is not a trailhead-to-summit round-trip distance.
- What are the main access options?
- The Toiyabe Crest Trail runs through the wilderness between parking areas at Ophir Summit and South Twin. Cow Canyon Trail enters from the western boundary. Trails from the eastern boundary reach North Twin Creek and South Twin Creek. Confirm approach conditions before choosing an entry.
- Are bicycles or motorized vehicles allowed?
- No. Wilderness restrictions prohibit motorized vehicles and equipment, bicycles and mountain bikes, and other wheeled or mechanized transport. Hiking, backpacking, and horseback riding are listed recreation opportunities.
- Can a crest trip rely on frequent water?
- No. The Toiyabe Crest Trail has little water. Rivers and creeks elsewhere in the wilderness do not guarantee convenient water along the ridge. Verify sources for the exact route, carry reserve capacity, and treat collected water.
- What vegetation should visitors expect?
- Lower elevations have sagebrush and grass, giving way to pinyon-juniper higher up, with occasional pine and aspen stands. Much of the high country is open, so do not count on continuous shade or sheltered travel.