Bunce School Road To T33 Crash Site

Lyons, Colorado

A 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.

Buchanan Pass

Lyons, Colorado

A 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.

Bald Mountain Trail

Boulder, Colorado

A 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.

Hall Ranch

Boulder, Colorado

A physically and technically demanding loop near Boulder that climbs through rough singletrack, a valley meadow, and switchbacks on Bitterbrush and Nelson Loop trails.

Boulder Valley Ranch

Boulder, Colorado

Dirt 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.

Coulson Gulch

Lyons, Colorado

A sweet descent to the North Saint Vrain River, then a couple of miles following the river upstream — easy to follow, with optional connections to Button Rock Preserve.

Johnny Park Road

Allenspark, Colorado

A forest road near Allenspark, Colorado open to motorized vehicles — a simple, accessible ride or drive through the area.

Mud Lake

Nederland, Colorado

Two short, easy loops around a pretty lake near Nederland — perfect for beginners who want a scenic, no-pressure ride through the Colorado high country.

Picture Rock Trail

Lyons, Colorado

Access 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.

Heil Valley Ranch

Boulder, Colorado

Over 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.

Chapman Drive

Boulder, Colorado

A 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.

CU Dirt Jumps

Boulder, Colorado

A compact 0.75-mile jump network with dirt jumps for all levels — from beginners catching their first air to advanced riders launching big.

Lion Gulch

Estes Park, Colorado

A 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.

Pole Hill

Estes Park, Colorado

A 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.

Doudy Draw Trail

Boulder, Colorado

A 1.7-mile trail meandering through open ponderosa pine savannah south of Boulder — connecting to Flatirons Vista and the South Spring Brook Loop Trail.

Marshall Mesa Area

Boulder, Colorado

A mix of single and doubletrack with minimal climbing and no technical sections — smooth enough by day and perfectly suited for a mellow night ride.

Dirty Bismarck

Boulder, Colorado

A classic mountain bike loop on smooth gravel and mild singletrack — an easy technical ride with a great aerobic punch if you push the pace through Boulder's greenbelt trails.

Coalton Trail

Boulder, Colorado

A mild, mostly flat connector trail near Boulder with one short steep hill — useful for linking the Meadowlark Trail and High Plains Trail.

Flatirons Vista

A quick, smooth trail near Boulder with great Flatirons views throughout — connects easily to Dowdy Draw, Community Ditch, and the broader Boulder trail network for a longer ride.

Greenbelt Plateau

An extremely mild coarse-gravel trail with gentle climbs and almost no rocks — ideal for introducing kids to off-road riding or shaking off road legs.