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Stillwater Pass

Wednesday, October 08, 2014
Alt Names Grand Lake Trail System, Idleglen Trailhead, Supply Creek Trailhead, Gravel Mountain, Arapaho National Forest, Roosevelt National Forest, Sulphur Ranger District
Last Known Status Open

The Stillwater Pass and Grand Lake trail systems can be accessed at the Idleglen and Supply Creek Trailheads. The trails gets heavy traffic so expect weekends to be busy. The trail access is free and open to mountainbikes, OHVs and snowmobiles when the proper conditions are met.

Restrooms and a kiosk are provided at the trailhead and snowmobile and OHV rentals are located at nearby Grand Lake and Granby. Vehicles must display state registration or a non-resident Colorado OHV sticker. Vault toilets and parking can be found at the trailhead.

Trail Map...   Directions...   Nearby Trails...  
Nearest City Grand Lake, CO
Go Back To Colorado List
Street Map
Trail MapGo To Trail Map
From: Granby, CO
1) Take US-34 north about 9 miles
2) Turn left (west) on County Road 4, continue 4.5 miles
3) Staging area is on the left.
Area Trail
Land National Forest
Rating Rating    Good    
Recommended Stay Full Day
Permit Required Yes Colorado OHV Sticker
Dates Open Year-Round
Spark Arrestor Yes A spark arresting silencer or end cap is required for all vehicles.
Noise Limit Yes (96 dB) (1998/older limit 99 dB, 1998/newer limit 96 dB)
Whip Flags Not Required
Maximum Vehicle Width
Allow Dirt Bikes, Trail Bikes and Motorcycles Motorcycles Permitted
Allow All Terrain Vehicles / Quads / Four Wheelers ATVs Permitted
Allow Utility Terrain Vehicles, Side by Sides (SXS), RZR UTVs / SXS Permitted
Allow 4x4 Jeeps, SUVs and 4 x 4 Trucks with License Plates 4x4s / Jeeps (registered) Permitted
Dune Buggy/Sand Rail
4x4 (unregistered)
Two Strokes /
2 Cycle Engines
No Restriction
Bicycles No Restriction
Hiking No Restriction
Horseback No Restriction
Camping / Overnight RV Parking Camping Some Areas (camp in developed sites only)
Campfire Restrictions Campfires Some Areas (permitted in developed campsites only)
watch for restrictions and check with the forest service
Night Riding Unknown
Cross Country Prohibited stay on designated trails
Fireworks Prohibited
Firearms Prohibited
Emergency / Law Enforcement Yes Dedicated Rangers/Officers
Jeep/SUV Patrol
Park rangers drive around all the time checking for OHV stickers
Insurance *Disclaimer: RiderPlanet strongly recommends that all riders obtain medical insurance and buy motorcycle insurance or ATV insurance before visiting any of the locations depicted on this website.
Parking ($0.00)
Entry No ($0.00)
Riding No ($0.00)
Camping No ($0.00)
Contact Info Arapaho And Roosevelt National Forests - Sulphur Ranger District
2150 Centre Avenue, Building E
Fort Collins, CO 80526
(970) 295-6600
Contact Info Colorado State Parks - Registration Unit
13787 South Highway 85
Littleton, CO 80125
(303) 791-1920
Comment Colorado OHV Registration Info
Contact Info On the Trail Rentals
1447 County Road 491
Grand Lake, CO 80447
(970) 627-0171
(970) 627-8866
Comment ATV and snowmobile rentals
Contact Info Above And Beyond 4x4 Guides
Vail, CO
(970) 390-5337
Comment ATV and 4x4 Tours
Stillwater Pass Trail Photo

Stillwater Pass Trail

Photo Submitted 1/28/2013 (Thanks!)
Stillwater Pass Trail Photo

Stillwater Pass Trail

Photo Submitted 10/7/2014 (Thanks!)
Stillwater Pass Trail Photo

Stillwater Pass Trail

Photo Submitted 10/7/2014 (Thanks!)

Submit a Photo!

Miles Of Trail 130
Climate Type Forest
Elevation 8000 to 10000 ft.
Trail Maintenance Marked, Not Rated, Lightly Maintained
Loose Dirt This trail has some loose dirt.Some
Hard Pack The trail has some hard pack terrain.Some
Sand This trail has no sandy areas.None
Dust The trail has little dust on typical days.Little
Trees The trail has almost all trees.All
Steep Hills This trail has some steep hills.Some
Single Track This national forest has some single track trails.Some
Hazards This trail has few hazards.Few (hazards assumed marked but use caution)
Easy Terrain Novice This trail has some beginner terrain.Some
Moderate Terrain Amateur This trail has mostly intermediate level terrain.Mostly
Difficult Terrain Expert This trail has little expert terrain.Little

First Aid First Aid 5-20 Miles (S) Middle Park Medical Center- Granby Campus (970) 887-5800
Gasoline Gasoline Grand Lake, CO
Diesel Diesel Grand Lake, CO
Potable Water Water 1-5 Miles (NE) Elk Creek Campground (970) 627-8502
RV Hookups RV Hookup 1-5 Miles (NE) Elk Creek Campground (970) 627-8502
RV Dump Station RV Disposal 1-5 Miles (NE) Elk Creek Campground (970) 627-8502
Primitive Camping Campground 5-20 Miles (S) Stillwater Campground (970) 887-4100
Convenience Store Conv Store Grand Lake, CO
Swimming Swim Area 1-5 Miles (NE) Grand Lake Beach (970) 627-3402
Body of Water Water Body On Site Soda Creek
Boating Launch Boat Ramp 1-5 Miles (SE) Shadow Mountain Lake Boat Ramp (970) 887-4100

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