Gemini Bridges Road (gravel)
Category 423 km
Distance
490 m
Elevation Gain
2.1%
Average Gradient
8%
Max Gradient
A high-desert gravel traverse at 1,800-2,000m on the Island in the Sky mesa, connecting Canyonlands National Park access with the US-191 north of Moab through a landscape of sculpted sandstone fins, desert varnish walls, and complete solitude. The road is more doubletrack than graded dirt in places, requiring 40mm+ tyres and basic desert navigation competence. The climbing is modest but cumulative across the mesa surface, with several short 6-8% pitches as the road crosses ancient drainage channels. The destination — the Gemini Bridges natural arches at km 11 — is one of the most photographed geological features in Utah, a pair of sandstone bridges spanning a canyon 150m above the canyon floor. This is the gravel ride that exemplifies the Moab experience: minimal gradient, maximum landscape, and zero infrastructure between start and finish. The out-and-back from US-191 to the bridges and return covers 23km with 490m of total climbing.
Pro Tip
The road can be soft after rain — a thunderstorm that passed through 24-48 hours earlier can make the upper section genuinely unrideable with standard gravel tyres sinking into wet cryptobiotic soil. Check the BLM road conditions line before departing. The Gemini Bridges viewpoint is accessible on foot from the bridge abutments — lock the bike and walk the final 200m for the proper perspective. No shade exists on the mesa: apply sunscreen to all exposed skin regardless of the temperature.