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    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    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.
    1,201 m
    This reflects the return distance of this route as measured by the GPS file.
    20.3 km
    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.
    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

    Thunder Mountain Hike


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    Table of contents

    Thunder Mountain via Tunnel Creek Trail and the Pacific Crest Trail is a stellar hike, sometimes ranked by users as one of their favorites in the state. This 20.3 km trail is rated as hard and poles are recommended. Microspikes are also recommended near shoulder season. Expect light to moderate traffic.

    Route Description for Thunder Mountain Hike

    Thunder Mountain via Tunnel Creek Trail and the PCT is a spectacular hike. While it’s a long, tough one, the elevation gain is fairly gradual until the end and the views will keep you distracted. Poles are definitely recommended for this trek.

    Begin from the trailhead. You’ll hike up along a creek past Hope Lake and a small tarn. You’ll climb into a series of small plateaus and bowls on the PCT before reaching Trap Lake, which is accessible on a spur trail. This first half of the hike is the hardest. After the lake, stay left on the ridge and continue to the tarns near the summit of Thunder Mountain. From here, you’ll retrace your steps to the trailhead once you’re ready.

    Getting to the Thunder Mountain Hike Trailhead

    The trailhead for Thunder Mountain is off National Forest Development Road 6095.

    Route Information

    • Backcountry Campground:


    • When to do:


    • Pets allowed:

      Yes - On Leash

    • Family friendly:


    • Route Signage:


    • Crowd Levels:


    • Route Type:

      Out and back

    Thunder Mountain Hike Elevation Graph

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