Idaho Off-Road Rentals — Magruder Corridor, St. Anthony Sand Dunes on PickRV
Idaho's Magruder Corridor (BLM + USFS Bitterroots) is one of the longest historic 4WD routes in the US. St. Anthony Sand Dunes are the state's premier dune destination. PickRV's Idaho cohort spans both.
Off-road in Idaho — overview
The Magruder Corridor (BLM Salmon-Cobalt + USFS Bitterroot NF) is a 100-mile historic 4WD route along the Idaho-Montana border, often called the longest unimproved primitive road in the lower 48. Multi-day Jeep / 4WD destination with dispersed camping permitted.
St. Anthony Sand Dunes (BLM Idaho Falls) is a 175-square-mile dune field in eastern Idaho — UTV / ATV / sandrail terrain with a dedicated camping area.
Idaho is a member of the Western OHV sticker reciprocal (honors AZ, UT, CO, WY, OR, WA, NV stickers). Idaho OHV sticker is $12/year, the cheapest in the region.
Primary trail systems
Magruder Corridor (Bitterroots backcountry)
- Agency
- BLM Salmon-Cobalt + USFS Bitterroot NF
- Fits
- Jeep / 4WD (multi-day)
Advanced-Expert (7-9)
St. Anthony Sand Dunes
- Agency
- BLM Idaho Falls District
- Fits
- UTV / ATV / sandrail
Intermediate (4-6)
Boise National Forest singletrack (Crouch / Garden Valley)
- Agency
- USFS Boise NF
- Fits
- Dirt bike / ATV
Intermediate (5)
Owyhee Front (Murphy area)
- Agency
- BLM Boise District
- Fits
- UTV / Jeep
Intermediate-Advanced (6-8)
OHV permit facts
- Idaho OHV sticker: $12/year (in-state and non-resident same fee). Required statewide on USFS, BLM, and state land.
- Reciprocity: Idaho honors current OHV stickers from Arizona, Colorado, Nevada, Oregon, Utah, Washington, Wyoming.
- Magruder Corridor: open mid-June through October. Snow-gated outside that window. No additional permit beyond the ID OHV sticker.
- St. Anthony Sand Dunes: $5/day per vehicle day-use fee at the BLM station.
Sources cited (real .gov / industry)
FAQs
How long does Magruder take?
Most groups do Magruder over 3-4 days with dispersed camping along the corridor. Single-day attempts are technically possible but compress what should be a multi-day backcountry trip.
Does Idaho honor my Utah OHV sticker?
Yes — Idaho honors current OHV stickers from all Western reciprocal states (AZ, CO, NV, OR, UT, WA, WY).
Is St. Anthony year-round?
Mostly yes; deep winter (Dec-Feb) is sometimes snow-constrained. Peak season is May-October.
Next step
Browse off-road rentals in Idaho