Frontcountry Trail Run - Interurban Trail (Bellingham)


Frontcountry Trail Run - Interurban Trail (Bellingham)

Longer weekday run on Interurban & Ridge trails in Chukanut. ~11.5 miles, 2,450 feet elevation gain and avg 4 mph.

  • Strenuous
  • Challenging
  • Mileage: 11.5 mi
  • Elevation Gain: 2,450 ft
  • High Point Elevation: 1,423 ft
  • Pace: avg 4 mph

Meet at 1:00 pm at Lost Lake Trailhead parking lot in Chukanut, WA. Following introductions, description of route and current trail conditions, plan to start running by 1:10 pm. Discover Pass required. Toilet at trailhead.

Starting coordinates: 48.648164, -122.486958


Bellingham: from I-5 southbound, take exit 250 and turn west onto Old Fairhaven Parkway. Drive 0.1 mile, turn left onto 30th St and drive 1 mile (30th St becomes 32nd St).  Turn right onto Old Samish Rd, drive 0.6 mile, turn left onto Chuckanut Drive (SR-11) and drive 4.4 miles south to the  Lost Lake Trailhead (200 ft).

Seattle: from I-5 northbound, take exit 231. Enter the roundabout, following signs for SR-11/Chuckanut Dr and crossing over the highway. Enter a second roundabout and turn right onto SR-11/Chuckanut Dr, and drive north 14 miles to the Lost Lake Parking Area, just after the entrance to Larrabee State Park, on the right.

This loop follows the Interurban Trail from Lost Lake Trailhead to the North Chukanut Mountain Trailhead. We will then ascend the Ridge Trail and follow it to Fragrance Lake before heading back to Lost Lake Trailhead. We will look to do an avg pace of 4.0 mph: fast hike uphill and 4.5-5.0 mph on straighaway and downhill. While we will look to finish before sunset, please bring a headlamp with spare batteries just in case.

For a complete description of  trail running with the Mountaineers, please consult the Trail Running Standards.

Gaia route:

Whatcom County map:

Full details will be soon after registration closes on Dec 3. In the interim, please contact the leader with any questions at


Interurban Trail (Bellingham)

Required Equipment

Required Equipment

Please wear layers of breathable, technical clothing suitable for outdoor aerobic activities.

  • Waterproof jacket, hat, buff, gloves, sunglasses; running-specific gaiters recommended
  • Warm mid-weight layer (e.g. down vest or wool long sleeve)
  • Trail running shoes
  • A small day pack suitable for trail running
  • Bring snacks and water. Hydration and nutrition on longer runs is essential!
  • Trail running-adapted ten essentials
  • Headlamp with spare batteries
Trip Reports