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Boulder Ranger District

The Boulder Ranger District encompasses over one hundred thousand acres of the Front Range in western Boulder and northern Gilpin counties. The district includes Indian Peaks and James Peak Wilderness Areas and the Peak to Peak Scenic Byway.

Many areas of the district are within an easy two-hour drive of Denver and its suburbs, making this one of the top recreation destinations in the state.

General Information

The Boulder Ranger District encompasses over one hundred thousand acres of the Front Range in western Boulder and northern Gilpin counties. The district includes Indian Peaks and James Peak Wilderness Areas and the Peak to Peak Scenic Byway.

Many areas of the district are within an easy two-hour drive of Denver and its suburbs, making this one of the top recreation destinations in the state.

Passes & Permits

Recreation Sites

Showing: 71 - 80 of 86 results

Sourdough Trail
Hiking Biking Horse Riding and Camping
The first section of trail #835 runs north from the Sourdough Trailhead and climbs gently, sometimes on old roads. It gains 1,000' in this first three miles past Fourmile Creek and is fairly level…

Sourdough Trailhead
Horse Riding and Camping Hiking Biking Winter Sports
The Sourdough Trailhead is the main trailhead for the Sourdough Trail #835 and is the trail's southernmost access point.

South Boulder Creek Interpretive Site
Outdoor Science and Learning Hunting, Fishing and Shooting Picnicking
This site is situated along South Boulder Creek adjacent to Rollins Pass Road, with views of the creek and forested valley. This site, formerly known as Jumbo Mountain Picnic Ground, has interpretive…

South Boulder Creek Trail
Hiking Horse Riding and Camping
East Portal Trailhead to Heart Lake is 4.2 miles and to Rogers Pass is 4.6 miles one-way. From the East Portal Trailhead, follow the South Boulder Creek Trail around the north side of the train…

South Saint Vrain Picnic Site
Hunting, Fishing and Shooting Picnicking
This picnic site is located 7.75 miles west of Lyons along the south side of Colorado Highway 7, adjacent to the south fork of Saint Vrain Creek. High, rocky canyon walls provide the scenic backdrop…

South Saint Vrain Trailhead
Hiking Horse Riding and Camping Biking
The South Saint Vrain Trailhead is the trailhead for the east end of the South Saint Vrain Trail (#909). The South Saint Vrain Trail (#909) climbs west along South Saint Vrain Creek. In about two…

Switzerland: NFS Road 327
Biking Off-Highway Vehicles (OHV) Horse Riding and Camping
The Switzerland Trail (National Forest System Road 327) is an old railroad grade that zigzags across the mountains of Boulder County. The narrow-gauge railroad transported people, supplies and ores…

Ute Trail
Hiking Horse Riding and Camping
The Ute Trail #803 connects the James Peak Lake Trail #804 to the Continental Divide Trail. From the valley below James Peak, the Ute Trail heads north across the valley and Mammoth Creek. It climbs…

Last updated September 12, 2025

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