The Hawes Trail System is a premier mountain biking and multi-use trail network in Mesa, Arizona, managed and maintained by the Hawes Trail Alliance, a 501(c)3 non-profit organization. The Alliance works in partnership with the Tonto National Forest to build, enhance, and expand the over 40 miles of singletrack trails, including popular routes like Red Mountain Rush and Sunset Ridge. Their mission is to ensure the trails are fun, safe, and legal for all outdoor enthusiasts.

The Hood River Area Trail Stewards (HRATS) is a non-profit organization dedicated to creating, enhancing, and preserving positive trail experiences in the Hood River area, with a focus on mountain biking. HRATS is the primary organization responsible for the development and maintenance of the Post Canyon Mountain Bike Park trail system, working in partnership with the Hood River County Forestry Department. The organization relies on volunteers and donations to maintain the extensive network of trails, which are a major draw for the local and regional mountain biking community.

Jay Peak Bike Park, part of the Jay Peak Resort, offers a growing network of mountain biking trails. The network includes beginner-friendly loops and intermediate trails that connect the Stateside and Tramside base areas, featuring a mix of mountain paths, wooded single track, and gravel roads. Access to the trails is free, but a waiver is required to ride.

Kessler Mountain Regional Park is a premier outdoor destination in Fayetteville, encompassing 620 acres of land that includes a regional sports complex and a nearly 400-acre nature preserve. The park is a major hub for the Northwest Arkansas cycling community, offering over ten miles of natural-surface trails with beginner, intermediate, and expert-level mountain biking loops, as well as a connection to the Razorback Regional Greenway via the Cato Springs Trail.

The Killington Bike Park is New England's fastest-growing downhill mountain bike park, featuring three high-speed lifts that service over 30 miles of trails. The park offers a variety of terrain, from beginner to expert, including classic New England singletrack and Gravity Logic's signature flow trails across three unique mountain areas: Snowshed, Ramshead, and Killington Peak.

Luiseño Bike Park is the premier mountain biking destination in San Diego County, nestled within the La Jolla Indian Adventure Park. It offers thrilling downhill trails, expertly designed flow courses, and breathtaking terrain for riders of all levels. The park is continually expanding its routes and offers services like bike rentals, shuttle passes, and annual passes.

Mammoth Mountain Bike Park is a premier lift-served mountain biking destination located in Mammoth Lakes, California, and is operated by Mammoth Mountain Ski Area, LLC. The park boasts over 80 miles of singletrack trails, catering to all skill levels from beginner-friendly discovery zones to challenging downhill runs. As part of a larger four-season resort, it offers a world-class high-alpine riding experience with rentals, lessons, and passes.

McDowell Mountain Regional Park is a 21,099-acre desert park managed by Maricopa County Parks & Recreation. It features over 40 miles of multi-use trails and a dedicated 15-mile competitive track with three loops for all skill levels, from beginner to expert mountain bikers. The park offers technical descents, steep inclines, and rugged terrain, and has hosted major events like the Cactus Cup.

MTB Trails LLC is the entity behind Bend Trails, a comprehensive online guide and resource for the extensive mountain biking trail network in Central Oregon, including the popular Phil's Trail Complex. The organization provides trail maps, condition reports, and community information, serving as a central hub for the local mountain biking community. It is a key player in promoting and maintaining the region's mountain bike trails.

The Park City Mountain Bike Park, part of the larger Park City Mountain Resort, provides an extensive network of lift-served trails catering to riders from beginner to expert. It is a premier mountain biking destination in Utah, offering scenic trails and exclusive bike haul access.

Plattekill Mountain Bike Park, located in Roxbury, NY, is a premier destination for gravity-fed mountain biking in the Catskill Mountains. Operating primarily during the summer and fall months, the park offers lift-served access to a variety of downhill trails suitable for all skill levels, from beginner-friendly flow trails to expert-level technical descents. The park has a long history in the mountain biking community, having hosted downhill races since 1993. As part of the larger Plattekill Mountain, which is fiercely independent and family-owned, the bike park provides an authentic, no-frills mountain experience. Beyond the bike park, the mountain offers other summer activities like hiking, camping, and private events. The focus is on providing a challenging and rewarding experience for gravity riders.

Rattlesnake Bike Park is the newest downhill mountain biking park in the Southeast, offering a premier shuttle-serviced destination with 15 diverse trails for all skill levels. The park features a blend of natural and man-made features, a Summit Lodge with a retail and rental shop, and primitive camping options.

Ray's MTB is the world's first and largest indoor bike park, established in 2004 in Cleveland, Ohio. It offers a fun and challenging experience for all levels of mountain bike and BMX riders, with various trails and features. The park is open seasonally, typically from October to April, and also features an on-site shop for parts, apparel, and rentals.