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Routes
Hiking trails & Routes
United States
Idaho
Custer County
Sawtooth National Recreation Area

Casino Lakes Trail

Hard

4.6

(7753)

19,850

hikers

Casino Lakes Trail

07:08

23.2km

870m

Hiking

Hike the difficult 14.4-mile Casino Lakes Trail in Sawtooth National Recreation Area to reach a pristine chain of four alpine glacial lakes.

Last updated: February 26, 2026

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Your route passes through a protected area

Please check local regulations for:

Sawtooth National Recreation Area

Waypoints

A

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1

10.6 km

Casino Lakes Trail

Highlight (Segment) • Trail

The Casino Lakes are a chain of four alpine glacial lakes in the Sawtooth National Recreation Area. The lakes are home to a plethora of fish that flow in via the Big Casino Creek.

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23.2 km

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Way Types & Surfaces

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23.2 km

< 100 m

Surfaces

23.2 km

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Elevation

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Highest point (2,710 m)

Lowest point (1,890 m)

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Weather

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Today

Tuesday 19 May

13°C

-6°C

22 %

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Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Is the Casino Lakes Trail suitable for beginners?

No, the Casino Lakes Trail is generally considered difficult and requires very good fitness. Some routes, like the "Casino Lakes via Boundary Creek," have significant elevation gain over 17.5 km. Even the "Little Casino Creek and Big Casino Creek Loop Trail," while rated medium difficulty, is 31 km long with 1400 meters of elevation gain and features steep, rocky, and uneven sections. Hikers should be prepared with sturdy shoes and good sure-footedness.

What is the terrain like on the Casino Lakes Trail?

The terrain is demanding and varied. You can expect a challenging journey with sections described as "very rugged," featuring numerous roots and large rocks. While some parts might be less steep, the trail often involves steep, rocky, and uneven climbs. Be aware that some areas may pass through burn zones, where the trail surface can be looser.

Are there different routes to reach the Casino Lakes?

Yes, several routes lead to or incorporate the Casino Lakes. Options include the "Casino Lakes via Boundary Creek" (an out-and-back), the "Martin-Big Casino Trail" which is very rugged, and the "Little Casino Creek and Big Casino Creek Loop Trail" (a 31 km loop). Each route offers unique characteristics and varying levels of difficulty.

Where can I park to access the Casino Lakes Trail?

While specific parking details for all trailheads are not provided, camping with direct trail access is available at the Casino Creek Campground, which would likely serve as a trailhead parking area for some routes.

What kind of scenery can I expect along the trail?

The primary scenic draw is the pristine chain of four alpine glacial lakes. The trail also traverses dense forests of pine and fir, opens up to picturesque meadows with wildflowers in spring and summer, and offers stunning mountain vistas. As you gain elevation, you'll be treated to panoramic views of the Salmon River Mountains and the surrounding wilderness, and potentially views of Redfish Lake and the broader Sawtooth Mountains.

What notable features or wildlife might I encounter?

The Casino Lakes Trail itself is a highlight, leading to the beautiful alpine lakes. The lakes are known for healthy fish populations, including Chinook salmon, west-slope cutthroat trout, and brook trout. The trail system (Sawtooth National Forest trail 646) offers dedicated singletrack for hiking. You'll experience diverse vegetation and mountain views throughout.

What is the best time of year to hike the Casino Lakes Trail?

The best time to visit is typically during late spring, summer, and early fall when the trails are clear of snow and wildflowers are blooming. Spring and summer offer lush vegetation, while fall brings vibrant colors. Winter hiking would be significantly more challenging due to snow and colder conditions.

Is the Casino Lakes Trail dog-friendly?

Information regarding dog-friendliness is not explicitly provided in the available data. However, as part of the Sawtooth National Recreation Area, it's common for trails to allow dogs, often requiring them to be on a leash. It's always best to check current regulations with the Sawtooth National Forest before your visit.

Do I need a permit to hike in the Sawtooth National Recreation Area?

Yes, a wilderness permit may be required for hiking in the Sawtooth National Recreation Area, especially for overnight trips. It's advisable to check with the local ranger station or the Sawtooth National Forest website for the most up-to-date information on permit requirements before you go.

Are there camping options near the Casino Lakes Trail?

Yes, camping with direct trail access is available at the Casino Creek Campground, offering a convenient base for exploring the area and the Casino Lakes Trail.

What should I know about the trail surface, especially after burn areas?

Hikers should be aware that some parts of the trails may pass through burn areas. In these sections, the trail surface can be looser and potentially more challenging to navigate. Always wear sturdy hiking shoes and maintain good sure-footedness, especially in these conditions.

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