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.

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.

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.

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.

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.

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.

Ceran Saint Vrain Loop

Ward, Colorado

Fairly 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.

Lobo Trail

Longmont, Colorado

A graded double-track trail (with some paved greenway) following train tracks diagonally across the Front Range from Longmont to Boulder.

Davidson Mesa

Louisville, Colorado

A small network of tame trails linking together in various ways across the mesa — the steepest trail is still manageable, making this a great ride for kids.

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.

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.

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.

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.

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.

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 Road Open Spaces

Superior, Colorado

A beginner and recovery-friendly mountain bike route near Superior through open space connecting to Eldorado Canyon, with a canal bridge start, a descent to Highway 93, and optional loop via jeep road.

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.

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.

High Plains Trail

Superior, Colorado

Non-technical high plains singletrack west of Superior connecting Coalton Trail to Marshal Mesa, with prairie grass, wildflowers, Flatirons views, a cool ditch crossing, and fast flowing new trail segments.