Mountain Biking
- Big Bear Mountain Biking
- Box Springs Mountain Park
- Riverside County Trails
- Joshua Tree Mountain Biking
- Inland Empire Trail Information
- SoCalMtB.com
- Mountain Bike Idyllwild
- Mountain Biking Guide to Southern Cal.
- So. Cal. Adventure Racing Buddies (SCARAB)
- Trails near Big Bear
- Trails near Hesperia
- Trails near Lake Arrowhead
- Trails near Lytle Creek
- Trails near Mt. Baldy
- Trails near Silverwood Lake
- Team Dirty Work Mtn. Bike Club of Riverside
- Team IE Mountian Biking
BMX
- Lake Perris BMX
- Team IE BMX
- Cutting Edge BMX Track, Ontario - (909) 980-5950
- Orange Show BMX Track, San Bernardino - (909) 885-4160
- Palm Springs BMX Track, Cathedral City - (760) 321-4811
- Twentynine Palms BMX Track, Twentynine Palms - (760) 361-6748
- Coyote BMX, Yucca Valley - (760) 228-1299
- Horsemens BMX Track, Apple Valley - (760) 245-0314
- Hesperia BMX - (760) 949-1657
- XRoads BMX, Lucerne Valley - (760) 248-6592