Devil's Backbone
- Location: 17 miles Southwest of the Fort Collins Rio Grande Mexican Restaurant.
- Playground? No
- Bathroom? Yes
- Shade? No
- Fees? Yes- Larimer County
- Description: The Hidden Valley Trail at Devils Backbone is for mountain bikers and trail runners only. It's a 4-mile out-and-back singletrack trail with great flow and berms for the return trip. You can add the first part of Hunter Loop to add distance but it gets pretty gnarly after that.