Wedge Overlook to Iron Wash — San Rafael Swell West Rim Desert Circuit
Slot reef, Sinbad country, nobody else around.
Iron Wash Road drops into the San Rafael Swell from the west off I-70 and immediately earns your respect. The wash itself — a sandy, rocky slot through the San Rafael Reef — demands attention: loose cobble, soft sand pockets, and narrow canyon walls that will scrape a wide rig without apology. Once through the reef, the route opens onto the interior swell benches where you’re navigating across slickrock and two-track toward the badlands fringing the southern Swell, with the Factory Butte flats visible to the south and the San Rafael River drainage cutting deep to your east. The route traces BLM two-track through Sinbad Country, a landscape so empty it felt like another planet before anyone thought to call it that.
This is a moderate-to-difficult route depending heavily on recent weather — the wash sections become impassable quicksand after rain and can hold soft sand for days. High clearance is mandatory; lockers help in the wash. Plan for a full day minimum or camp on the interior benches where dispersed camping is legal and completely unrestricted. No water on route — carry everything. No permit required, no fee. Green River to the north is your fuel and resupply point. Emery County roads in this area receive minimal maintenance, so a trail map and GPS are non-negotiable.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Backcountry, High Clearance, Overland Route |
| Surface | Mixed, Rock, Sand |
| Features | Camping, Remote, Scenic |
| Length (miles) | 34 mi / 54.7 km |
| Duration | 1-2 days |
| Max elevation (ft) | 6200 ft |
| Best season | March-May, September-November |
| Minimum vehicle | Stock 4WD high-clearance |
| Nearest town | Green River, Utah |
| Land manager | Bureau of Land Management — Price Field Office |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Official sources | blm.gov |
| Start coordinates | |
| End coordinates | |
| Copy both for Google Maps directionsClick to copy the directions URL · or open it directly in a new tab | |
| Find on Google | Search on Google → |
Location
Trail Conditions
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Frequently asked questions
Can a stock 4Runner or Wrangler handle this without a lift?
Yes — stock 4WD with high clearance is the minimum and it's workable on this trail. Skid plates help on the rockier reef sections, and airing down to 20-25 PSI is strongly advised. A lifted rig will have more margin, but it's not required.
When does the trail become impassable and what closes it out?
Summer heat (June–August) makes this brutal and dangerous — surface temps on exposed sandstone can exceed 150°F. Spring snowmelt and fall monsoon rains can turn the sandy washes into quicksand-soft traps overnight. Stick to March–May or September–November.
Do you need a permit or do you pay any fees to run this route?
No permit required and no fee to access BLM land here. Standard Leave No Trace rules apply — campfires may be restricted during high fire danger, so check current conditions with the BLM Price Field Office before you go.
What's the hardest section and what does it actually demand from the driver?
The Iron Wash narrows where the trail drops through the San Rafael Reef is the crux — loose rock, tight lines, and shelf road edges that require slow, deliberate wheel placement. It's not a white-knuckle situation for experienced drivers, but it will punish inattention or speed.
How far is the nearest gas and is there any water on route?
Green River is your last gas stop — about 30 miles from the trailhead, so fuel up there without question. There is no reliable water on this circuit; carry all you need for the full 34 miles plus buffer, and treat any water crossing sources before drinking.
Trail track
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