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The Best Hiking in Castle Rock

Looking for the best hiking in Castle Rock? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around Castle Rock. The detailed guides, photos, and reviews are all submitted by the Outbound community.

Top hiking spots in and near Castle Rock

  • Clatskanie, Oregon

    Beaver Falls Trail

    0.58 mi / 0 ft gain
    …Beaver Falls is one of those spots where if you’re looking to avoid the crowd of the Columbia River Gorge, this is another good alternative on where you could go. Not only is that a huge plus, but it’s not often you get to experience a scenic waterfall that you don’t have to put in a ton of effo...
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  • Winlock, Washington

    Trail of the Deer and Old Growth Forest Trail Loop

    1.94 mi / 364 ft gain
    Trail of the Deer and Old Growth Forest Trail Loop is a loop trail where you may see beautiful wildflowers located near Chehalis, Washington.
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  • Chehalis, Washington

    Willapa Hills Trail

    56.57 mi / 1690 ft gain
    Willapa Hills Trail is a point-to-point trail that takes you by a river located near Chehalis, Washington.
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  • Astoria, Oregon

    Gnat Creek Trail

    6.61 mi / 46 ft gain
    Gnat Creek Trail is an out-and-back trail where you may see beautiful wildflowers located near Astoria, Oregon.
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  • Toutle, Washington

    Hike the Hummocks Trail

    2.4 mi / 0 ft gain
    The trail has a number of ups and downs as you pass the many ponds and ash/rock/mud hills (hummocks) on your way towards the North Fork Toutle River. There is abundant wildlife in the area including birds, beaver and elk.This is also a great place to park and extend your day of hiking on the Boun...
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  • Toutle, Washington

    Backpack to Snow Lake by Mt. Whittier

    5.0
    16 mi / 2700 ft gain
    The Coldwater Lake Recreation Area has restrooms, telephones, and a picnic area. Make sure you have already acquired your permits for camping in the Mt. Margaret back country.Follow trail #211, which runs along the entire 4.5 mile length of Coldwater Lake. It is a beautiful and fairly flat hike w...
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  • Ariel, Washington

    Fly Fish Merrill Lake

    1 mi / 100 ft gain
    Surrounded by old growth forest, Merrill Lake near Cougar, Washington is the perfect little gem to get in some late summer, mid-elevation mountain lake fishing. The morning and evening hatches are known state wide for the size of fish they attract. There are stories of Eagles even stealing trout ...
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  • Toutle, Washington

    Mount Margaret's Ridge Camp via Coldwater Trailhead

    3.5
    7.12 mi / 1634 ft gain
    The hike is relatively easy. I'd say intermediate due to the incline at the beginning. Also intermediate due to it being an backpacking camp adventure. A friend of mine and I backpacked in to shoot the sunset and sunrise. We went a little early in the season so it was also to scout for future ad...
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  • Ariel, Washington

    Toutle River Trail

    11.41 mi / 2949 ft gain
    Toutle River Trail is a loop trail that takes you by a waterfall located near Toutle, Washington.
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  • Portland, Oregon

    Hike to Warrior Rock Lighthouse

    4.0
    6 mi / 100 ft gain
    This is a perfect easy hike close to Portland on Sauvie Island that offers more than just a walk through a forest. At the end of the 3 mile trail is a long secluded beach and the Warrior Rock Lighthouse. This has become one of my favorite go-to runs on a summer weeknight evening or for a quieter ...
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  • Toutle, Washington

    Hike to the Summit of Coldwater Peak

    12.2 mi / 2000 ft gain
    While thousands of visitors come to witness the raw power and devastation left behind from Mount St Helens' famous 1980 eruption, few wander past the groomed paths surrounding the Johnston Ridge Observatory. It is beyond these paths where you come across the more commonly designed backcountry tra...
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  • Toutle, Washington

    Hike to Coldwater Peak via Boundary Trail

    5.0
    14.8 mi / 2700 ft gain
    The Boundary trail is amazing. It's 54 miles long and runs for the most part along a ridge in Gifford Pinchot National Forest. You can climb various peaks and viewpoints right off the trail, but this trip report is for climbing Coldwater Peak and hiking up to Harry's Ridge Viewpoint on the way. H...
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  • Cougar, Washington

    Explore the Ape Caves

    3.9
    As if erupting volcanoes weren't awesome enough, ancient lava flows also left behind these giant, hollow tubes as they cooled. Spend all day exploring deep underground in this 2.5 mile cave.To get there, head to the SOUTH side of Mount Saint Helens. You must pass through the town of Cougar to get...
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  • Cougar, Washington

    Trail of Two Forests Trail

    0.27 mi / 13 ft gain
    Trail of Two Forests Trail is a loop trail where you may see beautiful wildflowers located near Cougar, Washington.
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  • Cougar, Washington

    Summit Mount St. Helens via Monitor Ridge

    4.4
    9.4 mi / 4585 ft gain
    Monitor Ridge is the "easiest" of the routes one can take in order to claim that they have stood on top the sleeping giant better known as Mount St. Helens. This route is heavily favored over Worm Flows as the starting elevation is not only an additional 1,000 feet higher but the overall ascent ...
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  • Cougar, Washington

    Summit Mount St. Helens via Worm Flows

    4.8
    10.8 mi / 5700 ft gain
    The Worm Flow Route, starting at Marble Mountain Sno Park, is the most direct winter route up to the summit. You'll start at around 2,700 feet and begin a steady walk along the trail for 2 miles. Although the trail is fairly well marked well above the snow, you'll want to pay attention to the arr...
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