Bicyclemania.co.uk - - Mountain bike trails in and around the UK as well as Europe. Also includes information on terrain, repairs, tips, and events.
BikeRag - - Ride recaps, topo trail maps, and pictures to show you what the riding is like.
DirtWorld Trail Guide - - Extensive guide to US and Canadian trails from dirtworld.com.
FellsBiker.com - - About mountain biking in the Middlesex Fells Reservation, Massachusetts. Includes maps, photos, and trail information.
GPS Mountain Bike Trail Guide - - 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.
Great Places to Ride - - 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.
Kent Trails - - Information about mountain biking in south east Kent. Includes routes, events and contact information.
Mont-Saint-Anne Mountain Biking - - Mountain bike network in eastern Canada. 200 kilometres and 14 downhill runs. Host of downhill, dual and cross-country Mountain Bike World Cup events.
Mountain Biking - Australia - - 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.
Mountain Biking Trail Source - - Contains detailed information for trails around the world. Subcription required.
Mountainbike Trails - - Mountainbike trails in the Alps, mostly harder ones with lots of trial.
Mt. Bike Whiskeytown - - Mountain biking trails at Whiskeytown and Shasta lakes near Redding, Northern California. Full trail descriptions along with many pictures and quotes.
MTB WNC - - 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.
MTBReview.com: Trail Guide - - Community-member maintained and up-to-date database of trails across the world. Features ratings, number of reviews, length and difficulty of trails.
MtbRoutes.com - - Resources to help plan your next off-road biking adventure. Editorials, user-contributions and online store.
Nick's Cool Routes - - 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.
Northern New York Trails - - Trails and maps for the North Country (Jefferson County) for mountain biking, hiking, camping, and cross-country skiing.
Singletracks.com - - 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.
Trail Design Specialists - - Specializing in the design of sustainable multi-use trails. Design information and techniques from experienced mountain bike and multi-use trail designers.
TrailPeak - - Features trails in the Pacific Northwest, including the best mountain biking trails in B.C., with directions, images, and articles of interest.
Trails.com - - Comprehensive hiking and mountain biking trail guides.
Ultimate MTB Trails - - Mountain bike trails within the conservation areas in Kwa-Zulu Natal, South Africa.