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.

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.

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.

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.

Golden Gate Canyon State Park

Golden, Colorado

A rambling mix of Blue Grouse, Mule Deer, and Panorama Point singletrack through Golden Gate Canyon State Park — a fun, knotty ride with valley views from the top.

Mountain Lion Trail

Golden, Colorado

A classic clockwise Golden loop on the Mountain Lion trail past a pond, an old settlement, rocky creek crossings, and a summit descent — stunning range terrain at Jefferson County Open Space.

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.

Broken Thumb

Winter Park, Colorado

A 17.2-mile most-difficult loop near Winter Park climbing bike paths and dirt roads before descending on singletrack trails like Broken Thumb, Twisted Ankle, and the South Fork Loop.

CR 81 To Rendezvous

Nederland, Colorado

Best ridden top-down, this Nederland trail drops from the Twisted Ankle singletrack down to CR 81 — can be muddy near the creek and connects to more trails in the area.

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.

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.

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.

James Peak

Winter Park, Colorado

A mostly flat first 5 miles giving way to a relentless grade climb up a 4x4 road, rewarded with awesome high-country views and snow-dusted terrain near the top.

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.

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.

Idlewild Trail System

Winter Park, Colorado

An 8-mile singletrack and doubletrack system in Winter Park with boardwalks, creek crossings, a rideable irrigation ditch, and mountain views — multiple fun loops for all skill levels.

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.

Green World

Winter Park, Colorado

A beginner downhill singletrack at Winter Park's Trestle Bike Park — excellent for learning downhill features at a relaxed, cautious pace.