North of Vancouver near Squamish and north of Stawamus Chief, the Mamquam FSR route is open to ATV riding.
The trailhead is located north of Stawamus Chief on the east side of the road near the overflow parking lot. The start of Mamquam FSR should be signed. There are many side routes off the FSR to explore.
Note: As of August 2008, the Ministry of Forests Regulations require all ATV drivers to be at least 16 years of age and have a valid drivers license to ride on Forest Service Roads. In addition, the ATV must have valid third-party liability insurance, which is typically around $120 per year. The Conservation Officers will issue a $600 ticket if you do not have proof of insurance.
Overall, Mamquam FSR is the 11th most popular ATV riding trail of all 61 ATV trails in British Columbia.