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Seattle Trails

Seattle, WA: South Bessemer Mountain

This challenging trek follows winding logging roads to a 5,028-foot summit overlooking the Cascades.

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The 6.5-mile climb to South Bessemer Mountain follows a network of logging roads for a challenging—and lightly traveled—hike tk minutes from Seattle. The route begins with a gentle climb on a gated logging road. At mile 1.1, merge onto the unsigned CCC Trail and cross Big Blowout Creek. From here, the route switchbacks through young forest and passes a quarry. Just beyond the quarry, at the end of the next switchback, hikers can scramble down to the Big Blowout creekbed for a short, off-trail side trip to a 50-foot waterfall.
After backtracking to the logging road, head northeast to continue the climb on the steep and gravelly road. At mile 5.2, the road enters a young forest with views of Russian Butte and the Pratt River Valley. Catch your breath here and prepare for the last mile of the climb, which follows a run-down road covered with rocks and boulders.
Crest the 5,028-foot summit of South Bessemer at mile 6.5. Rising nearly a thousand feet higher than nearby Mt. Si, this peak offers far-reaching views of Seattle’s and Bellevue’s skyscrapers, Green Mountain, Rattlesnake, Cedar Butte, Mt. Washington and Mailbox. In the far distance, the snow-covered Cascade peaks—including Rainer—break up the skyline. Follow the same route back to the trailhead.
-Mapped by Nathan and Jeremy Barnes,


Trail Facts

  • Distance: 20.9
  • Miles from city center: 41



Location: 47.516092, -121.612837

The route starts at the blue DNR 905 gate. Hike north from here.


Location: 47.527344, -121.626227

Turn right on the main road at the junction with CCC Road.


Location: 47.527503, -121.619661

Bear left at the junction with the CCC Trail and begin a switchback climb.


Location: 47.530003, -121.624403

Pass the Wisdom Earthworks rock quarry.


Location: 47.531531, -121.627858

At the switchback, scramble down to the creek and cross it. Follow it downstream to where a 50-foot waterfall pours into a large pool nestled beneath high rock walls of rock. Caution: Rocks are slick.


Location: 47.538992, -121.614565

The road crosses a creek. Through the foliage, water can be seen crashing down the hillside


Location: 47.540701, -121.61626

Bear right at the road junction.


Location: 47.54488, -121.615691

The forest clears and exposes a stunning view of the Pratt and Middle Fork Snoqualmie River valleys. Russian Butte looms straight ahead. The rocks at this view point make it an excellent place to take a break.


Location: 47.545771, -121.617547

Road junction. Turn right to continue to the top. Note: A few yards up the road to the left is a small saddle in the ridge with some obscured views.


Location: 47.546596, -121.608921

Keep left at the road junction, heading west.


Location: 47.54985, -121.614087

The 5,028-foot summit of South Bessemer overlooks Stegosaurus Butte and the snow-capped Mt. Daniel. Follow the same route back to the trailhead.

Summit Views

Location: 47.549857, -121.614047

Looking east, Stegosaurus Butte sits at the bend of Middle Fork Snoqualmie River. The freshly frosted peaks of Mt. Daniel are in the distance.

Road Begins

Location: 47.516121, -121.612655

Start at the Blue DNR 905 gate.

Unnamed Falls on Unnamed Creek

Location: 47.531256, -121.628351

A 50-foot unnamed waterfall is located just off the road. Use caution, the rocks are very slick.

Misty Light

Location: 47.531068, -121.62833

Mist from the waterfall mingles with sunlight.

Big Blowout Falls

Location: 47.533516, -121.622933

The lower portion of the unofficially named “Big Blowout Falls.”

Road Up

Location: 47.543055, -121.616142

On the road, ascending the mountain.

River Valley

Location: 47.544887, -121.615541

Taking in the view of Middle Fork Snoqualmie River valley

Black Bears

Location: 47.549678, -121.613808

Visible from a far distance, a mother black bear and cub scamper away as hikers approach.

South Bessemer Mountain

Location: 47.549833, -121.614042

Hiker takes a well earned break at the summit of South Bessemer Mountain.

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