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Family Friendly MTB Rides
near Thornton, Colorado
Thornton, Colorado 
Recommended Routes, Photos, & More
Intermediate
Soda Park Loop
10.8 mi 17.3 km • 679' Up 206.82 m Up • 679' Down 206.88 m Down
Keystone, CO
Intermediate
Marshall Mesa - Doudy Draw Loops
10.4 mi 16.8 km • 921' Up 280.63 m Up • 923' Down 281.18 m Down
Superior, CO
Intermediate
Phillp S. Miller Park / Miller Activity Center (MAC)
6.7 mi 10.8 km • 573' Up 174.74 m Up • 574' Down 175.03 m Down
Castle…, CO
Intermediate
Breckenridge Flumes Loop
6.5 mi 10.4 km • 494' Up 150.42 m Up • 493' Down 150.4 m Down
Brecken…, CO
Easy/Intermediate
Pineries Open Space Complete Ride
8.3 mi 13.3 km • 522' Up 159.06 m Up • 521' Down 158.86 m Down
Black F…, CO
Easy/Intermediate
Frisco Peninsula Lakeshore Loop
6.1 mi 9.8 km • 217' Up 66.09 m Up • 173' Down 52.67 m Down
Frisco, CO
Intermediate
Valmont Bike Park - Singletrack Hotlap
2.0 mi 3.2 km • 78' Up 23.73 m Up • 79' Down 24 m Down
Boulder, CO
Easy/Intermediate
Golden Gate
2.3 mi 3.8 km • 29' Up 8.84 m Up • 954' Down 290.82 m Down
Vail, CO
Easy/Intermediate
North Boulder Loop
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
Boulder, CO
Easy/Intermediate
Yogi's Lap
10.5 mi 16.9 km • 779' Up 237.39 m Up • 780' Down 237.65 m Down
Morrison, CO
Easy/Intermediate
The Bear (2022)
9.5 mi 15.4 km • 767' Up 233.9 m Up • 754' Down 229.89 m Down
Morrison, CO
Intermediate
Red Mountain Open Space
12.1 mi 19.5 km • 1,403' Up 427.57 m Up • 1,401' Down 426.95 m Down
Laporte, CO
Easy/Intermediate
Moose Meander Loop
1.6 mi 2.6 km • 59' Up 18.01 m Up • 59' Down 18.03 m Down
Grand Lake, CO
Easy/Intermediate
River Trail
3.1 mi 4.9 km • 86' Up 26.11 m Up • 137' Down 41.76 m Down
Brecken…, CO
Intermediate
Midland Hill Gravel Loop
17.0 mi 27.3 km • 1,613' Up 491.51 m Up • 1,604' Down 488.79 m Down
Buena V…, CO
Intermediate
Creekside to Flume
4.8 mi 7.8 km • 255' Up 77.75 m Up • 254' Down 77.38 m Down
Fraser, CO
Intermediate/Difficult
Best of Phases
13.7 mi 22.0 km • 2,120' Up 646.18 m Up • 2,123' Down 647.08 m Down
Fraser, CO
Easy/Intermediate
Quarry Mesa Ride
3.8 mi 6.1 km • 312' Up 95.19 m Up • 312' Down 95.17 m Down
Castle…, CO
Intermediate
Cheesman Ranch Loop
9.9 mi 16.0 km • 1,204' Up 366.98 m Up • 1,209' Down 368.46 m Down
Cripple…, CO
Intermediate
EWRT Round Trip | To Parker and Back!
55.0 mi 88.5 km • 4,083' Up 1244.5 m Up • 4,083' Down 1244.5 m Down
Highlan…, CO
