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    Alta Mountain Trail

    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    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.
    This reflects the return distance of this route as measured by the GPS file.
    15.9 km
    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.
    1,061 m
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    Directions to Trailhead

    The trail that takes hikers to the popular Rachel Lake also provides access to Alta Mountain, a great summit with perfect views over the surrounding lakes. This hike can be done on its own or as a side trip for those destined for Rachel or Lila Lakes. Expect a hard hike with a touch of light scrambling and heavy-moderate traffic depending on which part of the trail you’re on.

    Most of this trail is in the woods, but the views open up past Rachel Lake and get more impressive as you approach Alta’s summit.

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    Route Description for Alta Mountain Trail

    The trail that leads you up Alta Mountain is a delight, not just for the summit views but for the ease of access to Rachel Lake, Rampart Lakes, and Lila Lakes. If you’re here for just a day, the mountain should be plenty. If you can spare some time, a backpacking trip on this trail is a great adventure. While this 15.9 km hike is mostly forested on the way up, the views on the summit and at Rachel Lake make it well worth the trip. Expect some steep terrain and Class I scrambling.

    From the trailhead at the end of the road, take the obvious trail into the forest. It’s wooded for the majority of the way, but trust that the views will come. The route starts out fairly mild and progressively gets steeper and rockier as you get closer to Rachel Lake.

    Watch for small waterfalls as you go. It’s 5.6 km to Rachel Lake. At the lake, look for the signage that points to the “Trail.”. Follow this around the lake, taking a peek at your GPS if you’re having trouble finding the way.

    Atop the ridge, look for a trail to your right. 0.5 km later, reach another junction. Go left here to begin to ascend Alta. It’s pretty much a straight shot with no switchback to help you out. There is some easy scrambling required, but it’s Class I for the most part and not highly exposed whatsoever.

    Atop the peak, look out over the panoramic view of the lakes and mountains that surround you. From here, you’ll retrace your steps back down the mountain, past the lake, and to the trailhead.

    Insider Hints for Alta Mountain Trail

    • Remember your Northwest Forest Pass for this hike.
    • Take care on the drive to the trailhead, which is quite potholed.
    • The parking area is small, so try to arrive early on the weekends.

    Getting to the Alta Mountain Trail Trailhead

    The trailhead for the Alta Mountain Trail is at the end of National Forest Development Road 4930. There is parking here.

    Route Information

    • Backcountry Campground

      Rachel Lake

    • When to do


    • Pets allowed

      Yes - On Leash

    • Family friendly


    • Route Signage


    • Crowd Levels


    • Route Type

      Out and back

    Alta Mountain Trail Elevation Graph

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    Alta Mountain Trail Reviews

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