Summit Fat Tire Society


The Summit Fat Tire Society, established in 1990, is a non-profit organization based in Summit County, Colorado and dedicated to supporting mountain biking, trails, and the resources around us through building and maintaining trails, being advocates for the sport, and organizing social events to help build a close-knit community of riders.

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Building Map
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Featured Ride
Trail
Featured Rides
Trails

Featured Rides: 8

Keystone, CO
15.5 mi 25.0 km Keystone, CO
All Clear
Update
Mostly Dry: patches of snow some mud- watch for logs/branches someone over a drainage blind corner ~2/3 down Red Trail.
56 days ago
37 
15.6 mi 25.1 km
Peaks Trail
Frisco, CO
15.6 mi 25.1 km Frisco, CO
Minor Issues
Update
Dry: Mostly dry, a little mud and a small section with ice.
28 days ago
46 
Keystone, CO
15.1 mi 24.3 km Keystone, CO
All Clear
Update
Dry, Some Mud, Fallen Trees - Some snow up top and on the descent. Fallen tree on the climb up the Colorado trail. Still good riding.
31 days ago
15 
10.5 mi 16.8 km
Soda Park Loop
Keystone, CO
10.5 mi 16.8 km Keystone, CO
All Clear
Update
Dry
75 days ago
10 
Breckenridge, CO
36.1 mi 58.1 km Breckenridge, CO
Unknown
Update
2.7 mi 4.3 km
Masontown Loop
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Unknown
Update
8.4 mi 13.6 km
Ptarmigan Peak
Silverthorne, CO
8.4 mi 13.6 km Silverthorne, CO
Unknown
Update
Frisco, CO
11.0 mi 17.6 km Frisco, CO
Unknown
Update

Trails: 50

0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
Bad / Closed
Update
18 days ago
3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
All Clear
Update
Mostly Dry
92 days ago
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
Unknown
Update
1.9 mi 3.1 km
Side Door
Breckenridge, CO
1.9 mi 3.1 km Breckenridge, CO
Unknown
Update
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Unknown
Update
0.9 mi 1.4 km
Betty's Trail
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
Unknown
Update
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Unknown
Update
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
Unknown
Update
2.8 mi 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
All Clear
Update
Mostly Dry: patches of snow some mud- watch for logs/branches someone over a drainage blind corner ~2/3 down Red Trail.
56 days ago
4.3 mi 6.9 km
Great Flume
Breckenridge, CO
4.3 mi 6.9 km Breckenridge, CO
Unknown
Update
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
Unknown
Update
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
Unknown
Update
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
All Clear
Update
Dry, Some Mud, Fallen Trees - Some snow up top and on the descent. Fallen tree on the climb up the Colorado trail. Still good riding.
31 days ago
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
Unknown
Update
11 
Frisco, CO
5.8 mi 9.3 km Frisco, CO
Unknown
Update
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
Unknown
Update
Frisco, CO
1.1 mi 1.7 km Frisco, CO
Unknown
Update
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Unknown
Update
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
Unknown
Update
4.6 mi 7.4 km
Lakeshore Perimeter
Frisco, CO
4.6 mi 7.4 km Frisco, CO
Unknown
Update
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
Unknown
Update
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
Unknown
Update
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, CO
Unknown
Update
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
Unknown
Update
Frisco, CO
9.6 mi 15.5 km Frisco, CO
All Clear
Update
Good lord, that is steep riding.
83 days ago
0.9 mi 1.5 km
Masontown Trail
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Unknown
Update
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Unknown
Update
1.6 mi 2.6 km
Buzzsaw Loop
Frisco, CO
1.6 mi 2.6 km Frisco, CO
Unknown
Update
0.6 mi 0.9 km
Olympian's Link
Silverthorne, CO
0.6 mi 0.9 km Silverthorne, CO
Unknown
Update
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
Unknown
Update
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 km Breckenridge, CO
Unknown
Update
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
Unknown
Update
Breckenridge, CO
3.2 mi 5.1 km Breckenridge, CO
Unknown
Update
2.9 mi 4.6 km
CO Rd 176
Keystone, CO
2.9 mi 4.6 km Keystone, CO
Unknown
Update
1.1 mi 1.8 km
Pence Miller
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Unknown
Update
2.9 mi 4.7 km
Sallie Barber Road
Breckenridge, CO
2.9 mi 4.7 km Breckenridge, CO
Unknown
Update
0.9 mi 1.4 km
Granny's Trail
Keystone, CO
0.9 mi 1.4 km Keystone, CO
Unknown
Update
1.4 mi 2.2 km
Shock Hill
Breckenridge, CO
1.4 mi 2.2 km Breckenridge, CO
Unknown
Update
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
All Clear
Update
42 days ago
Frisco, CO
0.5 mi 0.8 km Frisco, CO
Unknown
Update
0.5 mi 0.9 km
Balfonz Blitz
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
1.5 mi 2.4 km
Governor King Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Unknown
Update
1.3 mi 2.0 km
Edwin Carter Trail
Breckenridge, CO
1.3 mi 2.0 km Breckenridge, CO
Unknown
Update