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    Three Corner Rock Hike

    Difficulty
    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    Moderate
    Duration
    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.
    2-3h
    Distance
    This reflects the return distance of this route as measured by the GPS file.
    6.1 km
    Elevation
    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.
    333 m
    User Ratings
    These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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    Directions to Trailhead

    Three Corner Rock is a unique formation atop a hill that overlooks all the big ones: Mount Adams, Mount Rainier, and Mount Saint Helens. It’s a moderate hike at 6.1 km but the views are what you’d expect of a much more demanding trek. This hike sees moderate traffic and is best done on a clear day when the views are the best.

    This trail is well-graded and generally well-kept. Some logging has occurred around the trail in recent years but this doesn’t detract too much from the overall experience.

    There is another route to Three Corner Rock that clocks in at 14.5 km roundtrip with 579 m of elevation gain. This route follows the PCT. The route described in this guide is shorter, more direct, and easier.

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    Route Description for Three Corner Rock Hike

    Three Corner Rock itself is neat, popping out of the top of a grassy hill seemingly out of nowhere. However, the real star of the show on this hike is the expansive view from where the rock stands. On a clear day, you’ll look all the way to Mount Adams, Mount Jefferson, Mount Rainier, and Mount Saint Helens. It’s a fantastic view!

    As if the mountains weren’t enough, the forest on the way up is also gorgeous. There are multiple old firs and hemlock trees and there are wildflowers along the trail in the early summertime.

    This trail is susceptible to a bit of overgrowth, but it’s normally not too severe. The last section to the top of the ridge requires a bit of hands-on moving, so small children may struggle.

    Begin from the trailhead, which is where the PCT crosses Road CG 2090. Hike through the trees for about a mile and a half until you reach a sign that indicates the junction with Three Corner Rock Trail. Go right here. You’ll hike through the woods to where the trail ends at an offroading road.

    At the trail end, turn right and deal with a few steps on an eroded trail to a 4-way junction. Going straight takes you onto the Three Corner Rock Trail, but the rock itself is to the right.

    Take the spur road to Three Corner Rock. You’ll use concrete steps to get up near the rock, and then you’ll need to scramble a bit to reach it. The views are breathtaking, so spend some time snapping photos and admiring them.

    Look for Mount Hood to the south, Mount Rainier and Mount Saint Helens to the north, and Mount Adams to the northeast. You can also see some of the Columbia River and the Columbia River Gorge.

    When you’re ready, head back to the trailhead the same way you came up.

    Hiking Route Highlights

    Mount Saint Helens

    Mount Saint Helens is an active volcano, last erupting in May of 1980, taking 57 lives and destroying 200 homes. The volcano is 2,549 m high. Previously the summit was at 2,950 m, but it was shortened in a lateral eruption triggered by an earthquake. Mount Saint Helens was originally named Lawetlat’la by the Cowlitz people.

    Mount Rainier

    The tallest mountain in the state is a dominant part of your view on the High Rock Lookout. This 4,392 m stratovolcano is an iconic sight and is clearly visible from your perch on this trail. Mount Rainier is the tallest mountain in Washington State. Mount Rainier was originally called Tahoma by the Indigenous peoples in the region.

    Frequently Asked Questions

    Is Three Corner Rock kid-friendly?

    Kids may struggle with the final scramble to the rock. Older children should be more comfortable completing this section.

    Is Three Corner Rock open?

    Check the Washington Department of Natural Resources site for updates on the status of this hike.

    Insider Hints for Three Corner Rock Hike

    • Try to plan this hike for a clear day.
    • Some sections of the trail may become slippery in the trail, so a clear day is recommended.

    Getting to the Three Corner Rock Hike Trailhead

    The trailhead for the Three Corner Rock hike is on DNR Road CG 2000.

    Route Information

    • Backcountry Campground

      No

    • When to do

      May-November

    • Pets allowed

      Yes

    • Family friendly

      Older Children only

    • Route Signage

      Average

    • Crowd Levels

      Moderate

    • Route Type

      Out and back

    Three Corner Rock Hike Elevation Graph

    Weather Forecast

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    Three Corner Rock Hike Reviews

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