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Particularly Special Place
Noteworthy Backpacking Routes
near Boulder, Colorado
Boulder, Colorado 
Recommended Routes, Photos, & More
Difficult
High Lonesome Loop
15.7 mi 25.2 km • 3,162' Up 963.89 m Up • 3,162' Down 963.86 m Down
Nederland, CO
Difficult
Pawnee-Buchanan Loop
26.5 mi 42.6 km • 6,632' Up 2021.41 m Up • 6,615' Down 2016.24 m Down
Nederland, CO
Intermediate/Difficult
Buffalo Mountain Loop
13.4 mi 21.6 km • 2,976' Up 907.08 m Up • 2,960' Down 902.3 m Down
Silvert…, CO
Intermediate/Difficult
Lost Creek Wilderness Loop
29.2 mi 47.0 km • 6,156' Up 1876.38 m Up • 6,156' Down 1876.4 m Down
Bailey, CO
Difficult
Mount of the Holy Cross
11.1 mi 17.9 km • 5,289' Up 1612.02 m Up • 5,289' Down 1611.95 m Down
Minturn, CO
Intermediate/Difficult
Zirkel Circle
10.4 mi 16.8 km • 2,360' Up 719.41 m Up • 2,363' Down 720.25 m Down
Steambo…, CO
Intermediate/Difficult
Abyss Lake Trail #602
17.1 mi 27.6 km • 3,134' Up 955.24 m Up • 3,134' Down 955.18 m Down
Jefferson, CO
Intermediate/Difficult
Roger's Pass
9.8 mi 15.8 km • 2,712' Up 826.74 m Up • 2,712' Down 826.68 m Down
Winter…, CO
Intermediate/Difficult
Red Deer Lake
14.2 mi 22.9 km • 1,725' Up 525.85 m Up • 1,725' Down 525.82 m Down
Nederland, CO
Difficult
James Peak to Rollins Pass Loop
21.3 mi 34.3 km • 4,878' Up 1486.84 m Up • 4,879' Down 1487.14 m Down
Winter…, CO
Intermediate/Difficult
Beartrack Lakes Loop
12.2 mi 19.6 km • 2,381' Up 725.62 m Up • 2,388' Down 727.84 m Down
Idaho S…, CO
Intermediate
Rainbow Lakes
2.5 mi 4.0 km • 293' Up 89.29 m Up • 293' Down 89.22 m Down
Nederland, CO
Intermediate/Difficult
Fancy Pass to Missouri Lakes Loop
8.8 mi 14.2 km • 2,449' Up 746.43 m Up • 2,449' Down 746.32 m Down
Minturn, CO
Intermediate
Columbine Lake Out-and-Back
6.4 mi 10.3 km • 978' Up 298 m Up • 978' Down 297.96 m Down
Fraser, CO
Difficult
Baker Gulch to Bowen Lake
19.9 mi 32.0 km • 4,483' Up 1366.38 m Up • 4,483' Down 1366.29 m Down
Grand Lake, CO
Intermediate/Difficult
Booth Lake Trail Out and Back
8.9 mi 14.3 km • 3,034' Up 924.84 m Up • 3,034' Down 924.86 m Down
Vail, CO
Difficult
Lost Creek Lasso via Twin Eagles
38.9 mi 62.7 km • 6,904' Up 2104.38 m Up • 6,887' Down 2099.06 m Down
Bailey, CO
Intermediate/Difficult
Hells Hole Trail #53
8.1 mi 13.1 km • 1,846' Up 562.53 m Up • 1,845' Down 562.41 m Down
Georgetown, CO
Intermediate/Difficult
Colorado Trail: Copper Mountain to Camp Hale
18.7 mi 30.1 km • 3,010' Up 917.31 m Up • 3,440' Down 1048.64 m Down
Copper…, CO
Difficult
CT - Segment 7: Goldhill to Copper Mountain
13.1 mi 21.1 km • 3,650' Up 1112.57 m Up • 3,026' Down 922.31 m Down
Brecken…, CO
Intermediate
Rainbow Lake
8.5 mi 13.7 km • 1,376' Up 419.46 m Up • 1,376' Down 419.49 m Down
Walden, CO
Intermediate/Difficult
Colorado Trail (CT)
487.3 mi 784.3 km • 83,178' Up 25352.6 m Up • 81,864' Down 24952.2 m Down
Roxboro…, CO
Intermediate/Difficult
Mount Elbert Loop
14.5 mi 23.3 km • 4,913' Up 1497.4 m Up • 4,920' Down 1499.69 m Down
Leadvil…, CO
Intermediate
Twin Meadows to Margy's Hut
4.6 mi 7.4 km • 1,978' Up 602.86 m Up • 117' Down 35.8 m Down
Aspen, CO
Intermediate
CDT: Halfmoon Creek to Timberline Lake (CO Sec. 24)
13.2 mi 21.3 km • 2,487' Up 757.95 m Up • 2,516' Down 766.77 m Down
Leadvil…, CO
Intermediate/Difficult
Upper Cataract Lake Out and Back
10.4 mi 16.8 km • 2,510' Up 765.14 m Up • 2,510' Down 764.95 m Down
Vail, CO
Intermediate
Moffat Tunnel (East Portal) to Winter Park
18.5 mi 29.8 km • 2,912' Up 887.67 m Up • 3,386' Down 1032.15 m Down
Winter…, CO
Intermediate
CT - Segment 9: Tennessee Pass to Timberline Lake
13.3 mi 21.3 km • 2,297' Up 700.05 m Up • 2,674' Down 814.99 m Down
Leadvil…, CO
