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Particularly Special Place
Newest Trail Running Trails
near Aetna Estates, Colorado
Aetna Estates, Colorado 
Recommended Routes, Photos, & More
Intermediate
East Canyon Trail
3.9 mi 6.3 km • 336' Up 102.3 m Up • 335' Down 102.24 m Down
The Pinery, CO
No Photos
Easy/Intermediate
Ridgeline
0.9 mi 1.5 km • 185' Up 56.33 m Up • 42' Down 12.69 m Down
Bellvue, CO
Difficult
Square Top Mountain Southeast Ridge
1.8 mi 2.9 km • 1,751' Up 533.69 m Up • 0' Down 0 m Down
Georgetown, CO
Intermediate
Deadhorse
5.5 mi 8.8 km • 1,351' Up 411.82 m Up • 528' Down 160.79 m Down
Fraser, CO
No Photos
Easy/Intermediate
Arrow
1.8 mi 2.8 km • 117' Up 35.77 m Up • 531' Down 161.73 m Down
Winter…, CO
No Photos
Intermediate/Difficult
Breakneck Pass
4.9 mi 7.9 km • 967' Up 294.73 m Up • 245' Down 74.72 m Down
Fairplay, CO
Intermediate
Crows Nest
0.5 mi 0.9 km • 173' Up 52.69 m Up • 0' Down 0 m Down
Boulder, CO
No Photos
Easy
Creekside Loop Trail
1.1 mi 1.8 km • 1' Up 0.36 m Up • 89' Down 27.05 m Down
Fraser, CO
No Photos
Easy/Intermediate
Cresta Trail
0.7 mi 1.1 km • 0' Up 0 m Up • 192' Down 58.6 m Down
Colorad…, CO
Easy
Rosie Rueter Side Trail
0.1 mi 0.2 km • 3' Up 0.88 m Up • 4' Down 1.33 m Down
Meridian, CO
Intermediate
Rosie Rueter Trail and Incline Challenge
1.1 mi 1.8 km • 229' Up 69.8 m Up • 229' Down 69.89 m Down
Stonegate, CO
No Photos
Intermediate
Crank 'n Hammer
2.7 mi 4.3 km • 220' Up 67.02 m Up • 236' Down 71.94 m Down
Buena V…, CO
No Photos
Easy/Intermediate
Bacon Strip
0.3 mi 0.5 km • 31' Up 9.44 m Up • 19' Down 5.73 m Down
Buena V…, CO
No Photos
Easy/Intermediate
Sausage Link
1.7 mi 2.7 km • 230' Up 70.15 m Up • 62' Down 18.96 m Down
Buena V…, CO
No Photos
Intermediate
Old Midland Cutoff (376.A)
3.7 mi 6.0 km • 934' Up 284.66 m Up • 35' Down 10.76 m Down
Buena V…, CO
No Photos
Intermediate
Midland Bike Trail
5.2 mi 8.3 km • 366' Up 111.63 m Up • 102' Down 31.21 m Down
Buena V…, CO
No Photos
Intermediate
Sausage Link
1.7 mi 2.7 km • 234' Up 71.4 m Up • 65' Down 19.95 m Down
Buena V…, CO
No Photos
Intermediate
Olivine Trail
0.8 mi 1.3 km • 360' Up 109.79 m Up • 0' Down 0 m Down
Golden, CO
No Photos
Difficult
Meadow Mountain
0.4 mi 0.6 km • 445' Up 135.53 m Up • 0' Down 0 m Down
Estes Park, CO
No Photos
Intermediate
Ethel Harrold Trailhead Connector
0.6 mi 1.0 km • 142' Up 43.39 m Up • 7' Down 2.08 m Down
Coal Creek, CO
Intermediate/Difficult
New Saddle Rock Trail
0.4 mi 0.7 km • 141' Up 43.04 m Up • 36' Down 10.99 m Down
Boulder, CO
Difficult
Whale Peak Off-Trail Route
3.0 mi 4.9 km • 0' Up 0.11 m Up • 2,719' Down 828.83 m Down
Brecken…, CO
No Photos
Difficult
Hoosier Pass Trail
0.9 mi 1.4 km • 0' Up 0 m Up • 526' Down 160.39 m Down
Brecken…, CO
No Photos
Intermediate
Campion Trail
2.5 mi 4.0 km • 649' Up 197.85 m Up • 853' Down 260.1 m Down
Keystone, CO
Difficult
Crater Lake Trail
0.5 mi 0.8 km • 402' Up 122.38 m Up • 5' Down 1.53 m Down
Winter…, CO
No Photos
Intermediate/Difficult
Ruby Gulch
2.4 mi 3.8 km • 1,538' Up 468.74 m Up • 19' Down 5.77 m Down
Georgetown, CO
No Photos
Intermediate
Eye to Eye
2.2 mi 3.6 km • 965' Up 294.13 m Up • 84' Down 25.66 m Down
Winter…, CO
No Photos
Intermediate
Broken Spade Trail #81.1
1.4 mi 2.2 km • 358' Up 109.02 m Up • 5' Down 1.59 m Down
Fraser, CO
