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Tunnel Creek - Dosewallips Trailhead

Olympic Peninsula > Hood Canal
47.7389, -123.0736 Map & Directions
Length
6.4 miles, roundtrip
Elevation Gain
4550 feet
Highest Point
5050 feet
Calculated Difficulty About Calculated Difficulty
Hard
Waterfall on the steep side of the Tunnel Creek trail. Photo by tacuddy2000. Full-size image
  • Mountain views
  • Old growth
  • Rivers
  • Dogs allowed on leash
  • Ridges/passes

Parking Pass/Entry Fee

None

Tunnel Creek Trail has two trailheads.The south side trailhead is on the Dosewallips Road, but its notoriously steep grade to 5050 Pass means it is seldom used. Try it and you’ll find out why. Continue reading

Rating
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Hiking Tunnel Creek - Dosewallips Trailhead

Tunnel Creek Trail has two trailheads. The south side trailhead is on the Dosewallips Road, but its notoriously steep grade to 5050 Pass means it is seldom used. Try it and you’ll find out why.

Year-round access from a 500 foot elevation trailhead on a reasonable road ought to help this end of the Tunnel Creek trail see more use than it does. So should the views of Mount Jupiter along the way. But its reputation and a review of the compressed contour lines deter many who should try the trail.

Yes, it is steep; picking up 4,550 feet in 3.2 miles (6.4 miles round trip to 5050 Pass). The grade is far from uniform. Some series of climbing turns ascend ridge noses at punishing grades of 35 to 40 percent. More moderate traverses then help your legs and lungs recover and lure hikers forward only to shift into yet another steep stretch.

Gamm Creek at about two miles is the only source of water along the south side. A stop here to fill up on water and to view the pleasant waterfalls just above the trail can leave hikers doubly refreshed. About 50 yards past Gamm Creek the trail crosses a 15 yard-wide slide of fine scree. Watch your footing.

The trail now mixes steep stretches with slightly lees steep ones. The south-facing slope gradually opens up as you get closer to the cusp of the ridge. From here the trail continues to climb through an undulating set of sub-ridges to 5050 Pass.

WTA worked here in 2021, 2020, 2019 and 2018!

Hike Description Written by
Mason White, WTA Correspondent

Tunnel Creek - Dosewallips Trailhead

Map & Directions

Trailhead
Co-ordinates: 47.7389, -123.0736 Open in Google Maps

Before You Go

See weather forecast

Parking Pass/Entry Fee

None

WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead.

Getting There

Head west for 9.0 miles on the Dosewallips Road from US 101 at the north end of Brinnon. Park on the north side of the road at an unmarked flat parking area large enough for about 6 vehicles. The trailhead is about 0.1 miles west of the parking pad. No amenities at the trailhead.

More Hike Details

Trailhead

Olympic Peninsula > Hood Canal

Olympic National Forest, Hood Canal Ranger District

Guidebooks & Maps

Green Trails 168 The Brothers

Green Trails 136 Tyler Peak

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Tunnel Creek - Dosewallips Trailhead

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