A long way from town
BLM's route leaves I-70 at Exit 173 and runs about 12 miles to the dunes, which sit 25 miles from Green River and 48 miles from Moab. Save the directions and the published trailhead coordinates before you leave signal behind.
Source: BLM: White Wash Sand Dunes Trailhead. Checked September 10, 2026.
Heat and cold
The Green River climate record averaged a July high of 97.7 degrees and a January low of 10.0. Carry extra water in summer and real cold-weather gear in winter.
Source: Western Regional Climate Center: Green River Aviation, 1893 to 2005. Checked September 10, 2026.
Wildlife, trees and working land
- Keep your distance from desert bighorn sheep
- Give the cottonwood trees a wide berth
- Stay clear of oil production facilities and ranches, and respect private property
- Outside the fence, ride only designated routes
Sources: BLM: White Wash Sand Dunes Trailhead, BLM: Whitewash Sand Dunes Open OHV Area and Trail System. Checked September 10, 2026.
Getting help
Call 911 in an emergency. Moab Regional Hospital at 450 Williams Way in Moab keeps its emergency room open 24 hours, (435) 719-3500. For conditions at the dunes, call the BLM Moab Field Office at 435-259-2100.
Sources: Moab Regional Hospital: contact, BLM: White Wash Sand Dunes Trailhead. Checked September 10, 2026.
This is an independent planning guide. Fees, hours, closures, fire orders and riding boundaries change. Confirm the current details with the BLM Moab Field Office.