Custer Motorway (FR 40070) in ID -- Camping Rules & Access
Custer Motorway (FR 40070) in ID
Road corridorSalmon-Challis NF, Challis-Yankee Fork Ranger District
51 mi from Ketchum
5.5 mi off US 93 (straight line)
Maps 6,384 ft
Camping permission not confirmed
Miles 7.7–8.2 cross land the Forest Service doesn't manage; camping there needs the landowner's permission.
Salmon-Challis National Forest ↗
Stay limit: 14 days · within 30 days · then move 5 mi
VerizonNONE
AT&TNONE
T-MobileNONE
StarlinkGOOD
Road Access
Difficult
- 6.3 of this road’s 35.3 miles are maintained for high-clearance vehicles, dirt the whole way.
- Near Custer Museum.
- Estimated climb: 6,700 ft over 35.3 miles through 18 switchbacks, with sustained grades near 14% and pitches to 23%.
- Terrain estimates show roadside drops of up to ~140 ft on the downhill side.
- Dead-end road; turnaround space is not mapped.
- A gate 34.4 miles along the road.
Setting
Secluded
- Secluded here, with no through road within 3.7 miles.
- Rookie Point stands 893 ft above the map pin, 0.4 miles west.
- Yankee Fork Salmon River runs 0.1 mi off.
Climate averages
October normals 30–55°F, 2.1″ precipitation. Monthly averages, PRISM 1991–2020.