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    Sumas Mountain Trail

    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
    This reflects the return distance of this route as measured by the GPS file.
    16.9 km
    This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
    968 m
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    Directions to Trailhead
    Sumas Mountain Trail

    The Sumas Mountain Trail is a 16.9 km out-and-back hiking route that climbs through the forests near Abbotsford, BC. Experience the calm waters of Chadsey Lake before continuing on to the summit of Sumas Mountain. From the viewpoint atop the mountain you will enjoy views over the Fraser Valley, including the Fraser River and the cities of Chilliwack, Mission, and Abbotsford. This is a tough uphill grind along a narrow trail, but it rewards with views at the top.

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    Route Description for Sumas Mountain Trail

    The Sumas Mountain Trail is a popular out-and-back hiking route near Abbotsford in the Fraser Valley that climbs uphill through a scenic stretch of forest to the calm waters of Chadsey Lake before continuing on to the summit of Sumas Mountain. We recommend bringing a 4x4 or high-clearance vehicle as the road to the trailhead isn’t in great shape. This trail is connected to a dense network of hiking routes just to the south, so hikers should bring along a trail map or GPS in order to stay on the correct path. This route can also become fairly wet and muddy, so proper hiking footwear is recommended to stay both dry and comfortable over the long incline of this trail. Additionally, the forested nature of the trail and its proximity to water makes this route prone to bugs. Bring bug spray during warmer seasons.

    Setting out from the trailhead off Sumas Mountain Road, follow the trail into the dense forest cover as it crosses over a creek and begins to climb uphill. As you meander through the forest, you will notice a steady gain in elevation the entire way up to Chadsey Lake. Reaching the fork in the trail at the lake’s edge, follow the path to the right to skirt around the southern side of the lake. Here, you will gain another 200 m in elevation as you make the final push to the summit. When you reach the viewpoint atop Sumas Mountain, you will have great views over the Fraser River, Chilliwack to the east, and Mission and Abbotsford to the west. When you’ve taken in the sights, head back down the trail and make your way around the north side of the lake for a bit of variation, returning to your vehicle to wrap up your hike along the Sumas Mountain Trail.

    Other Amazing Hikes in Fraser Valley

    Check out our guides to Lindeman Lake, Bridal Veil Falls, Cascade Falls, Elk Mountain Trail or Hicks Lake Hike. Or see all our hikes in Fraser Valley on 10Adventures.

    Getting to the Sumas Mountain Trail Trailhead

    To get to the trailhead for the Sumas Mountain Trail from Abbotsford, drive north on BC-11 for 1.8 km and turn right onto Clayburn Road. Follow it for 2.4 km and turn left to stay on the road. Continue on for 4.3 km, as it turns into Straiton Road and then Dawson Road. Make a left onto Sumas Mountain Road and follow it for 4.4 km to find the trailhead on your left.

    Route Information

    • When to do


    • Backcountry Campsites


    • Pets allowed

      Yes - On Leash

    • Family friendly


    • Route Signage


    • Crowd Levels


    • Route Type

      Out and back

    Sumas Mountain Trail Elevation Graph

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