Activities in Utah › Hiking Trails › Castle Valley
Red Onion Loop Trailhead
- Where
- Castle Valley, UT (Grand County)
- Cost
- Free
- Indoors or outdoors
- Outdoors
- Good for
- outdoor lovers
Updated October 22, 2026
About Red Onion Loop Trailhead
Red Onion Loop Trailhead is one of 37 hiking trails in Castle Valley on Go Do, in Grand County. This one is outdoors, free to visit. Within 30 miles there are 162 other hiking trails, the nearest being Fisher Towers Trailhead (about 0.8 miles). Good for outdoor lovers.
More hiking trails nearby
Fisher Towers TrailheadHiking Trail · Castle Valley · Free · 0.8 mi

Fisher TowersHiking Trail · Moab · 1.7 mi
Amphitheatre Loop TrailheadHiking Trail · Castle Valley · 2.8 mi
Castleton TowerHiking Trail · Castle Valley · 5.3 mi
ADT - Utah - R - Seg 1Hiking Trail · Castle Valley · 9.4 mi
Delicate Arch Viewpoint TrailheadHiking Trail · Castle Valley · 9.5 mi
Make a day of it
Eat nearby
- Sorrel River Grill · Restaurant · 4.6 mi
Places to stay
- Sorrel River Ranch Resort and Spa · Hotel · Moab · 4.6 mi
- Castle Valley Inn · Hotel · Castle Valley · 6.9 mi
More to do nearby
- Upper Onion Creek Group Site · Campground · 2.1 mi
- Top Of The World · Nature Area & Viewpoint · 2.9 mi
Common questions
Is it free?
Yes — it’s free to visit.
Where is it?
Castle Valley, Utah.
Hiking Trails in UtahActivities in Castle ValleyAll activities in UtahEvents this week