78 Mountain Bike Trails near Coulson Gulch
first prev 1 2 3 4 next lastShowing Mountain Bike Trails within 50 miles Distance miles of Lyons, CO 80540, USA City, Zip, or Address
Johnny Park Road
Allenspark, Colorado
6.4 miles WA forest road near Allenspark, Colorado open to motorized vehicles — a simple, accessible ride or drive through the area.
Mountain Bike
Lion Gulch
Estes Park, Colorado
6.7 miles NWA short but rocky 6-mile technical ride up to a hilltop fire road and old homesteads — the boulder-field climbing is tough, but the singletrack descent is pure fun.
Mountain Bike
Pole Hill
Estes Park, Colorado
7.7 miles NA complex multi-loop trail rising to nearly 8,500 feet with rocky uphill climbs, technical rock outcroppings, epic views, and fun descents — GPS recommended for the network.
Mountain Bike
Heil Valley Ranch
Boulder, Colorado
7.7 miles EOver 13.5 miles of bike-legal singletrack at Heil Valley Ranch near Boulder with characteristic Front Range rockiness, serious flow on the descents, and amazing views from the ridge top.
Mountain Bike
Picture Rock Trail
Lyons, Colorado
7.7 miles EAccess to Heil Valley Ranch trails past old buildings and a shot-up car, with the option to extend through Wild Turkey, Ponderosa, and the top-of-ranch loops.
Mountain Bike
Ceran Saint Vrain Loop
Ward, Colorado
8.9 miles SFairly easy trails in a scenic valley near Ward with some technical sections along steep drops — plenty of exploring possible, but the area can be confusing; expect company on weekends.
Mountain Bike
Hall Ranch
Boulder, Colorado
9.1 miles SEA physically and technically demanding loop near Boulder that climbs through rough singletrack, a valley meadow, and switchbacks on Bitterbrush and Nelson Loop trails.
Mountain Bike
Bunce School Road To T33 Crash Site
Lyons, Colorado
9.7 miles SWA mostly Class 2 doubletrack ride near Lyons, Colorado with a middle Class 4 stretch — leading to a WWII T-33 jet crash site with large aluminum fragments still visible on the ground.
Mountain Bike
Buchanan Pass
Lyons, Colorado
10.2 miles SWA 4.5-mile singletrack that drops to a creek crossing and follows it to the wilderness boundary — or loop it with the 4x4 road and Buchanan Pass for technical descents.
Mountain Bike
Boulder Valley Ranch
Boulder, Colorado
11.8 miles SEDirt road, doubletrack, and singletrack wind through a working cattle ranch near Boulder, with good plains and mountain views and a connection to Boulder Reservoir via Eagle and Sage trails.
Mountain Bike
East Crosier
Estes Park, Colorado
12.6 miles NA steep, rocky mountain bike trail near Estes Park — short on description but big on challenge.
Mountain Bike
Crosier Mountain
Drake, Colorado
14.3 miles NA multi-fork mountain bike trail near Drake with snaky switchbacks, a wicked-fast downhill bobsled run through elk-laden Piper Meadows, and big views of Big Thompson Canyon — flood damage means even strong riders will walk some downhill sections.
Mountain Bike
Bald Mountain Trail
Boulder, Colorado
14.5 miles SA short, steep trail on Bald Mountain with a spectacular summit view — ride counter-clockwise to avoid the technical uphill section, and keep an eye out for mountain lions.
Mountain Bike
Chapman Drive
Boulder, Colorado
17.6 miles SEA 940-foot climb up the backside of Flagstaff Mountain on a 1930s CCC dirt road, with vintage stone bridges and views north to Longs Peak — downhill access added in April 2013.
Mountain Bike
Devil's Backbone
Loveland, Colorado
17.6 miles NEThree connected trails — the Backbone, the Wilds, and the Hunters — through stunning geology near Loveland, with rattlesnakes possible and very little shade; soon to link 50+ miles of trail.
Mountain Bike
Lobo Trail
Longmont, Colorado
18.0 miles EA graded double-track trail (with some paved greenway) following train tracks diagonally across the Front Range from Longmont to Boulder.
Mountain Bike
Eden Valley Spur
Loveland, Colorado
18.1 miles NEA 1.5-mile out-and-back singletrack at Bobcat Ridge open space near Loveland that rolls along the base of the hogback — mileage-adder territory for experienced riders, a fun beginner challenge with just enough rocks.
Mountain Bike
Bobcat Ridge
Loveland, Colorado
18.7 miles NEAn easy-to-intermediate mountain bike loop at Bobcat Ridge in Loveland through a cabin, a burn area, and varied terrain — rideable well into shoulder seasons.
Mountain Bike
CU Dirt Jumps
Boulder, Colorado
18.8 miles SEA compact 0.75-mile jump network with dirt jumps for all levels — from beginners catching their first air to advanced riders launching big.
Mountain Bike
Mud Lake
Nederland, Colorado
19.4 miles STwo short, easy loops around a pretty lake near Nederland — perfect for beginners who want a scenic, no-pressure ride through the Colorado high country.
Mountain Bike
