Sumas Mountain Regional Park

Sumas Mountain Regional Park is a 1,471-hectare park with trails that link to a larger network outside the park's boundaries. The popular Chadsey Lake Trail takes you from the upper parking lot to scenic Chadsey Lake (previously known as Lost Lake). Popular recreational activities in this park include hiking, trail running, and mountain biking.

Park Hours

7 am to sunset 


39100 Sumas Mountain Forest Service Road
Abbotsford, BC
View a Google map of the area

Please note that the road to Sumas Mountain Regional Park is shared with mountain bikes, residents, ATVs, trucks and work vehicles.


  • Hiking and mountain biking trails
  • Lookout points with spectacular valley views
  • Fishing at Chadsey Lake

Parking Washrooms Trails Mountain Biking Dogs on leash Fishing Wildlife viewing