North of Vancouver near Squamish, the Lava Flow Riding Area has over 22km of singletrack and old logging roads open to dirt biking. Keep in mind that this area is also very popular with hikers and mountain bikers. There are several trails, like the Powerhouse Plunge, which are closed to motorized use.
The Lava Flow off-road motorcycle trails have two staging areas. The lower, northern trailhead accesses Ring Creek Rip and the southern trailhead accesses Cookhouse Connector.
To reach the northern trailhead, follow Diamon Head Road for 2.2km past Quest University. Turn right on the spur road and park.
To reach the southern trailhead from Highway 99 at the south end of Stawamus River Bridge, turn east on Mamquam Forest Service Road for 3km. At the intersection with Powerhouse Road, there is space to park. Start riding downhill to the right and cross the Mamquam River.
Overall, Lava Flow Riding Area is the 17th most popular dirt bike trail of all 36 dirt biking rides in British Columbia.