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Colorado Trail Report

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Big South

Contributed by ranchez

This trail enters the Comanche Peak Wilderness a half mile from the trailhead. The trail follows the Cache la Poudre River and goes by 19 designated camp sites before intersecting the river after seven miles. There is no bridge over the river and fording the river is not always possible, particularly during spring runoff. About a half mile south of the river, a connector trail leads to Peterson Lake. The Big South Trail continues southward to join the lower end of the Corral Creek Trail and provides access to Rocky Mountain National Park.


Travel 11 miles northwest of Fort Collins on U.S. Highway 287 and Colorado Highway 14. Turn left on CO 14, and travel 49 miles west. Trailhead parking is located on the left just before the road crosses a bridge and the Big South Campground.

General Wilderness Regulations:
  • Dogs must be on a hand held leash
  • No motorized or mechanized equipment allowed
  • Camps, campfires, and stock, where allowed, at least 200 feet from water and trails
  • Group size limited to 12 people or stock animals combined
Big South Travel Zone Regulations:
  • Camping allowed only in designated sites
  • No campfires - stoves only
  • Overnight stock use prohibited
In Rocky Mountain National Park:
  • Dogs are prohibited
  • Permit required for overnight camping in park
  • Check with park for other regulations

Length: 10.4 miles  |   Rating: Difficult
Activies: Dog-friendly, Equestrian, Day Hiking, Backpacking

Trailhead Elevation: 8,440

Trailhead Waypoint: 40.637380 N -105.805052 W

Permit Info:  

National Weather Service Forecast

Trailhead Maps:
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Management Area(s)
Comanche Peak Wilderness
Rocky Mountain National Park
Roosevelt National Forest

Larimer County

Nearby Cities
Fort Collins

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