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United States
Idaho
Custer County
Sawtooth National Recreation Area

Sand Mountain loop

Hard

3.4

(30)

31

hikers

Sand Mountain loop

09:12

30.5km

1,000m

Hiking

Hike the difficult 19.0-mile Sand Mountain loop in Sawtooth National Recreation Area, featuring alpine lakes and rugged mountain views.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Sawtooth Wilderness

Sawtooth National Recreation Area

Waypoints

A

Start point

Parking

Get Directions
1

277 m

Pettit Lake & trail junction

Highlight • Lake

Pettit Lake is one of the largest lakes in the Sawtooth National Recreation Area and a great access point into the wilderness just west of here. Popular hiking destinations are …

Tip by

2

4.97 km

Yellow Belly Trail

Highlight (Segment) • Trail

The Yellow Belly Trail is a popular access trail to Yellow Belly Lake and the lakes in the Sawtooth Wilderness. If you want to spend the night here, there are nice spots close to the creek.

Tip by

3

11.8 km

Edith Lake

Highlight • Lake

Edith Lake is a small, but stunning, alpine lake perched high up in a bowl. Sitting at 8,660 feet above sea level, this lake often remains frozen into early summer. …

Tip by

4

14.2 km

Sand Mountain Pass

Highlight • Mountain Pass

Sand Mountain Pass is a challenging, but rewarding section of hiking deep in the Sawtooth Mountains. As you ascend dozens of switchbacks you are granted fantastic panoramic views over the …

Tip by

5

18.5 km

Toxaway Lake

Highlight • Lake

Toxaway Lake offers some great scenery and nice spots to pitch your tent. It is a beautiful destination for a multi-day trip. Note, that campfires are not allowed in this section due to heavy use.

Tip by

B

30.5 km

End point

Parking

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Way Types & Surfaces

Way Types

30.5 km

< 100 m

Surfaces

30.6 km

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,870 m)

Lowest point (2,140 m)

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Weather

Powered by Foreca

Monday 12 October

5°C

-1°C

52 %

Additional weather tips

Max wind speed: 5.0 km/h

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Frequently Asked Questions

Where does the Sand Mountain loop trail start and where can I park?

The Sand Mountain loop begins at the Tin Cup Hiker Trailhead. This trailhead is a popular access point for the Sawtooth Wilderness, so arriving early, especially on weekends, is highly recommended to secure parking. There are no shuttles mentioned for this specific trailhead.

How long does it typically take to complete the Sand Mountain loop?

While some highly fit individuals might attempt it as a very challenging day hike, the Sand Mountain loop is generally recommended as a multi-day backpacking trip. The full route covers over 30 kilometers and involves nearly 1,000 meters of elevation gain, making it a significant undertaking.

What is the terrain like on the Sand Mountain loop?

The terrain is diverse and challenging, featuring dense forests, expansive meadows, rugged granite peaks, and scree slopes. You'll encounter gradual ascents, numerous switchbacks, and steep climbs, particularly when heading up to mountain passes like Sand Mountain Pass. Some sections can be rocky or eroded, and creek crossings are common.

What notable natural features and viewpoints can I expect on the Sand Mountain loop?

The loop offers stunning alpine scenery. Highlights include numerous pristine alpine lakes such as Pettit Lake, Edith Lake, and Toxaway Lake, all reflecting the dramatic Sawtooth Mountains. From Sand Mountain Pass, you can enjoy rewarding views overlooking Rendezvous and Edna Lakes. The 9,901-foot El Capitan peak is also a prominent landmark.

Is the Sand Mountain loop dog-friendly?

Yes, leashed dogs are welcome on the trails originating from the Tin Cup Hiker Trailhead, including the Sand Mountain loop. Always ensure your dog is under control and follow Leave No Trace principles.

What is the best time of year to hike the Sand Mountain loop?

The best time to hike is typically from late June or early July through September, once the snow has melted from the higher elevations and mountain passes. Fall offers vibrant foliage, but be prepared for cooler temperatures and potential early snow.

Are there any permits or fees required for hiking the Sand Mountain loop?

The Sand Mountain loop is located within the Sawtooth National Recreation Area. While there are generally no entrance fees for the recreation area itself, you may need a wilderness permit for overnight stays, which can usually be obtained at trailheads or ranger stations. Always check the latest regulations with the Sawtooth National Forest before your trip.

Does the Sand Mountain loop connect with other trails?

Yes, the route is part of a larger network. It utilizes sections of the Yellow Belly Trail, Alice Lake - Redfish Lake Trail, Trail 041, and Trail 040, among others. The Tin Cup Hiker Trailhead is also a gateway to the renowned Alice-Toxaway Loop.

What kind of wildlife might I encounter on the trail?

The Sawtooth Wilderness is home to diverse wildlife. Hikers might spot black bears, mountain goats, elk, moose, wolves, and various deer species. Always practice bear safety and keep a respectful distance from all wildlife.

Are there any particularly challenging sections or optional detours on the route?

The climb to Sand Mountain Pass is noted as being fairly well-graded, but the optional trail directly to Sand Mountain Peak from the pass is described as "STEEP". Consider this a challenging but rewarding detour for experienced hikers. The overall loop is rated difficult and often done as a multi-day backpacking trip to manage its demanding sections.

Is the Sand Mountain loop suitable for beginners?

No, the Sand Mountain loop is generally rated as "difficult" and is not recommended for beginners. It requires good fitness, sure-footedness, sturdy hiking shoes, and prior alpine experience due to its length, significant elevation gain, and challenging terrain.

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