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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.

8

50

240

5

Featured Rides: 8

16.1 mi 25.8 km
Peaks Trail
Frisco, CO
16.1 mi 25.8 km Frisco, CO
Bad / Closed
Update
Snowy
63 days ago
83 
Keystone, CO
15.5 mi 25.0 km Keystone, CO
Bad / Closed
Update
Snowy
63 days ago
67 
Keystone, CO
15.1 mi 24.3 km Keystone, CO
Bad / Closed
Update
Snowy
63 days ago
39 
10.5 mi 16.8 km
Soda Park Loop
Keystone, CO
10.5 mi 16.8 km Keystone, CO
Unknown
Update
26 
19.9 mi 32.0 km
The Whole East Side
Breckenridge, CO
19.9 mi 32.0 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
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
Bad / Closed
Update
Snowy
33 days ago

Trails: 50

3.3 mi 5.3 km
Lenawee
Keystone, CO
3.3 mi 5.3 km Keystone, CO
Bad / Closed
Update
Snowy
12 days ago
16 
0.3 mi 0.5 km
Barney Flow
Breckenridge, CO
0.3 mi 0.5 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
16 
0.8 mi 1.3 km
Slalom
Breckenridge, CO
0.8 mi 1.3 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
17 
10.3 mi 16.5 km
Wheeler Trail
Breckenridge, CO
10.3 mi 16.5 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
1.9 mi 3.1 km
Side Door
Breckenridge, CO
1.9 mi 3.1 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
0.9 mi 1.4 km
V3
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
Breckenridge, CO
20.1 mi 32.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
13 
0.9 mi 1.5 km
Nightmare on Baldy
Breckenridge, CO
0.9 mi 1.5 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
2.8 mi 4.4 km
Baker's Tank Trail
Breckenridge, CO
2.8 mi 4.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
15 
0.7 mi 1.2 km
X10U8
Breckenridge, CO
0.7 mi 1.2 km Breckenridge, CO
Minor Issues
Update
Snowy, Icy - Snow packed. Ready for fat bikes. Gets a lot of sun so watch for icy and bare spots.
34 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 4.5 km
Red Trail
Keystone, CO
2.8 mi 4.5 km Keystone, CO
Bad / Closed
Update
Snowy
63 days ago
12 
0.9 mi 1.4 km
Betty's Trail
Breckenridge, CO
0.9 mi 1.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
1.4 mi 2.2 km
Blair Witch
Keystone, CO
1.4 mi 2.2 km Keystone, CO
Bad / Closed
Update
Snowy
63 days ago
17 
Frisco, CO
9.6 mi 15.5 km Frisco, CO
Bad / Closed
Update
Snowy
63 days ago
11 
0.4 mi 0.7 km
Moonstone Trail
Breckenridge, CO
0.4 mi 0.7 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
4.6 mi 7.4 km
Lakeshore Perimeter
Frisco, CO
4.6 mi 7.4 km Frisco, CO
Unknown
Update
0.6 mi 0.9 km
Mount Royal Trail
Frisco, CO
0.6 mi 0.9 km Frisco, CO
Unknown
Update
Keystone, CO
1.4 mi 2.3 km Keystone, CO
Minor Issues
Update
Snowy: For winter riding on fat bikes, this regularly gets boot packed but don't go immediately after snow.
56 days ago
1.3 mi 2.2 km
Faith Trail #951B
Frisco, CO
1.3 mi 2.2 km Frisco, CO
Bad / Closed
Update
Snowy
63 days ago
3.8 mi 6.1 km
Soda Creek Trail
Keystone, CO
3.8 mi 6.1 km Keystone, CO
Unknown
Update
4.0 mi 6.4 km
Galena Ditch Trail
Breckenridge, CO
4.0 mi 6.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
2.0 mi 3.2 km
Jody's Loop
Frisco, CO
2.0 mi 3.2 km Frisco, CO
Unknown
Update
Frisco, CO
2.7 mi 4.3 km Frisco, CO
Bad / Closed
Update
Snowy
63 days ago
2.6 mi 4.2 km
Soda Ridge Trail
Keystone, CO
2.6 mi 4.2 km Keystone, CO
Unknown
Update
1.1 mi 1.8 km
Toad Alley
Breckenridge, CO
1.1 mi 1.8 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
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
Frisco, CO
5.8 mi 9.3 km Frisco, CO
Bad / Closed
Update
Snowy
63 days ago
0.9 mi 1.5 km
Masontown Trail
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.5 mi 0.7 km
Mike's Trail
Breckenridge, CO
0.5 mi 0.7 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
1.5 mi 2.4 km
B&B Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
All Clear
Update
Snowy - packed and prime for fatties
34 days ago
0.8 mi 1.4 km
Hermit Placer
Breckenridge, CO
0.8 mi 1.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
Frisco, CO
1.1 mi 1.7 km Frisco, CO
Unknown
Update
0.9 mi 1.5 km
Buzzsaw
Frisco, CO
0.9 mi 1.5 km Frisco, CO
Unknown
Update
0.5 mi 0.9 km
Rocky's Ride
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
1.7 mi 2.7 km
Prospect Trail
Breckenridge, CO
1.7 mi 2.7 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
0.4 mi 0.7 km
Riechl's Retreat
Silverthorne, CO
0.4 mi 0.7 km Silverthorne, CO
Unknown
Update
2.9 mi 4.7 km
Sallie Barber Road
Breckenridge, CO
2.9 mi 4.7 km Breckenridge, CO
All Clear
Update
Snowy - packed and prime for fatties
34 days ago
Breckenridge, CO
3.2 mi 5.1 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
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
Bad / Closed
Update
Snowy
63 days ago
0.5 mi 0.9 km
Switchback
Frisco, CO
0.5 mi 0.9 km Frisco, 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
Bad / Closed
Update
Snowy
63 days ago
Frisco, CO
0.5 mi 0.8 km Frisco, CO
Unknown
Update
1.5 mi 2.4 km
Governor King Trail
Breckenridge, CO
1.5 mi 2.4 km Breckenridge, CO
Bad / Closed
Update
Snowy
63 days ago
0.5 mi 0.9 km
Balfonz Blitz
Frisco, CO
0.5 mi 0.9 km Frisco, CO
Unknown
Update
Breckenridge, CO
1.3 mi 2.0 km Breckenridge, CO
Unknown
Update