Mountain biking trail maps and contact information for Alabama rides.

The Internet's mountain bike park. Trail reviews and resources for riding all over the world.

Contains detailed information for trails around the world. Subcription required.

About mountain biking in the Middlesex Fells Reservation, Massachusetts. Includes maps, photos, and trail information.

Trails, maps and mountain bike ride photos. Links to other sites as well as a cycling log spreadsheet, maps and aerial photos. Southwest USA, Illinois, USVI, and Ireland.

Reviews, descriptions, directions, and profiles of mountain biking trails in the San Francisco bay area.

Information and maps to guide you through some of the province's most stunning landscapes as you explore BC's Trans Canada Trail.

Extensive guide to US and Canadian trails from dirtworld.com.

US trails directory, add and update descriptions yourself.

Contains mountain bike trail information for the United States as well as some other countries. Free membership allows you to keep track of the trails you ride and the trails you want to ride.

A mountain bikers online community. Features various mountain biking related discussions.

Mountainbike trails in the Alps, mostly harder ones with lots of trial.

Community-member maintained and up-to-date database of trails across the world. Features ratings, number of reviews, length and difficulty of trails.

Global positioning system waypoints, routes, tracks, and maps of singletrack biking trails in Northern California. Resources include a world directory of MTB sites with GPS data and a review of GPS cartography software.

Mountain biking in Nelson, New Zealand. Track information, club news, and calendar of events.

Features trails in the Pacific Northwest, including the best mountain biking trails in B.C., with directions, images, and articles of interest.

Mountain bike trails within the conservation areas in Kwa-Zulu Natal, South Africa.

Mountain biking in the Santa Monica Mountains.

North and South Downs, Quantocks, Brecon Beacons, Coed Y Brenin, Lake District, Peak District (UK), also the Alps (Les Gets, Morzine), Pyrenees (Luchon), Lake Garda, Moab (Utah), Winter Park (Colorado) and links and reviews.

A website to support and encourage better, safer and more responsible mountain biking in San Francisco and nearby areas.

The Midwest cyclist's forum featuring trail descriptions, maps, links, and discussions.

600 miles of trails, and mountain bike competition in Winter Park, Colorado.

A club for all ages and fitness levels. Ride all over Northern California. Pictures taken are posted on the site.

Cycling and mountain biking information in British Columbia, Canada.

Southern California mountain bike trails, shops, and clubs.

Ride recaps, topo trail maps, and pictures to show you what the riding is like.

Trail information and pictures of various mtb rides in the San Bernardino National Forest and some other locations.

Specializing in the design of sustainable multi-use trails. Design information and techniques from experienced mountain bike and multi-use trail designers.

Comprehensive hiking and mountain biking trail guides.

Mountain biking routes in the United Kingdom and Europe.

Online guide to building and maintaining mountain bike trails.

Mountain biking trips all over the world from iExplore, a complete travel guide. Search for trips, talk to experts, or read traveler reviews.

Mountain bike network in eastern Canada. 200 kilometers and 14 downhill runs. Host of downhill, dual and cross-country Mountain Bike World Cup events.

The top 400 mountain bike rides in New Zealand.

Information about mountain biking in the local Pennsylvania area.

Mountain biking trails at Whiskeytown and Shasta lakes near Redding, Northern California. Full trail descriptions along with many pictures and quotes.

Mountain biking tips, area information, and 38 suggested tours in the Mount Beauty gateway to the Alpine National Park and Bogong High Plains, Victoria, Australia.

Trail guide for mountain biking trails in the Ouachita Mountains of Arkansas.

Trails and maps for the North Country (Jefferson County) for mountain biking, hiking, camping, and cross-country skiing.

Trail descriptions and reviews from Oregon, California, and Washington. Also includes ride pictures and trail ratings.

Individual state trail descriptions and ratings contributed by riders.

Northern Idaho trail information with maps, satellite pictures, and local weather.

Contains detailed trail information for Western North Carolina. Includes guided rides, maps, photos, and area information including bike shops and places to camp and stay.

Detailed descriptions of mountain bike trails in Michigan from beginner to expert.