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Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Moderate
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.
457 m
Distance
This reflects the return distance of this route as measured by the GPS file.
10.6 km
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.
3-4.5h
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

North Fork Lake Trail

Measurement:

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Table of contents

Explore Idaho’s Boulder Mountains and enjoy a refreshing swim in an idyllic alpine pool on the North Fork Lake Trail. This hidden treasure in the Salmon-Challis National Forest offers a scenic and secluded experience that boasts unrivaled alpine vistas.

Route Description for North Fork Lake Trail

Discover a hidden paradise in the Boulder Mountains on the North Fork Lake Hike. This unforgettable experience explores a swathe of wilderness occupied by lush subalpine woodlands, montane meadows, meandering creeks, an alpine lake, and soaring craggy crests—not to mention an array of wildlife. As this route travels high into the alpine, it is important to come prepared to face inclement weather, as conditions at high altitudes can change on a dime. Note this path is unmarked, so we suggest downloading the trail GPS before heading out.

With plenty of water in tow, your adventure along into the alpine travels westwardly into the pine woodlands. Enjoy the shaded canopy as you relentlessly climb and watch for wildlife, including elk and deer. Intersecting with snowmelt streams on several occasions, the route will eventually escape the timberline. Beyond this point, the trail GPS will guide you up a steeper segment of terrain to gain a ridge. Finally, after some hiking through the montane meadow, you will crest the shoreline of North Fork Lake.

The scene from here will render you speechless. Marvel at the grandeur of the looming cliffs anchored by Ryan Peak that flank the turquoise waters. Take a refreshing swim in the water and watch for pikas and mountain goats adorning the mountainsides. When you are through exploring the basin, head back the way you came to the trailhead.

Getting to the North Fork Lake Trail Trailhead

Access this adventure from the trailhead off the National Forest Road North Fork Spur 1.

Route Information

  • Backcountry Campground:

    Dispersed Camping

  • When to do:

    April-October

  • Pets allowed:

    Yes - On Leash

  • Family friendly:

    Older Children only

  • Route Signage:

    Poor

  • Crowd Levels:

    Low

  • Route Type:

    Out and back

North Fork Lake Trail Elevation Graph

Weather Forecast

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