5.0
(7)
72
hikers
04:55
13.0km
490m
Hiking
Hike the moderate 8.1-mile Diablo Lake Trail in Ross Lake National Recreation Area, known for its turquoise waters and mountain views.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Stephen Mather Wilderness
Ross Lake National Recreation Area
Waypoints
Start point
Parking
Get Directions
99 m
Highlight • Trail
Tip by
3.70 km
Highlight • Viewpoint
Tip by
6.47 km
Highlight • Rest Area
Translated by Google •
Tip by
13.0 km
End point
Parking
Way Types & Surfaces
Way Types
11.4 km
1.12 km
200 m
139 m
< 100 m
Surfaces
11.6 km
1.15 km
191 m
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Elevation
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Today
Sunday 24 May
18°C
7°C
0 %
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Max wind speed: 10.0 km/h
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This route was planned by komoot.
The trailhead for the Diablo Lake Trail is conveniently located near the lake. You can find parking at the Diablo Lake Trailhead. During peak seasons, it's advisable to arrive early as parking can fill up.
Yes, the trail is dog-friendly! It's located within the Ross Lake National Recreation Area, but not technically within the National Park boundaries, which allows dogs. Please ensure your dog is on a leash and you pack out any waste.
The Diablo Lake Trail is often accessible as an early-season hike in the North Cascades, being snow-free when higher-elevation trails are not. The turquoise color of Diablo Lake is most vivid during spring and summer due due to increased glacial melt. For the unique ferry option, plan your visit between June and October.
No, there are no entrance fees required for the Ross Lake National Recreation Area, which includes the Diablo Lake Trail. However, always check the official NPS website for any updated regulations or specific permits that might be required for backcountry camping or other activities if you plan to extend your trip beyond the day hike.
The trail offers diverse terrain, starting through a peaceful old-growth forest with wood bridges over small streams. As you ascend, it transitions to include boulder fields and ridge lines. Be prepared for rocky sections and some semi-steep climbs. The path can be narrow in parts, and some sections have views down to Diablo Lake that might be intimidating for those with a fear of heights. Hiking boots are highly recommended.
You'll be treated to breathtaking views of Diablo Lake, famous for its vibrant turquoise color. The trail also offers impressive cascading waterfalls and sweeping vistas of surrounding peaks like Ross Lake, Colonial, Pyramid, Davis, and Jack Mountain. While much of the trail is forested, ridge portions provide expansive mountain views. You can also enjoy the View of Diablo Lake.
Yes, during the summer months (June to October), you have the unique option to complete the trail one-way and return via the Diablo Lake Ferry. This offers a different perspective of the lake and can make for a memorable experience. Be sure to check the ferry schedule in advance.
While considered moderate, the trail does have a steady uphill grade in the beginning and some rocky, narrow, and semi-steep sections. It might be challenging for very young children or those unaccustomed to hiking. However, active families and beginners with some hiking experience should find it manageable, especially if they are prepared for the elevation gain and varied terrain.
The Diablo Lake Trail is primarily an out-and-back route. However, as mentioned, during summer months, you can opt to hike one way and return via the Diablo Lake Ferry, effectively creating a point-to-point experience with a scenic boat ride.
Yes, the route also passes through sections of the Diablo Lake Trail and the Sourdough Creek Trail. While the primary focus is the Diablo Lake Trail, you might encounter junctions or shared sections with these other paths.
Be aware that some parts of the trail have obstructed views of the lake due to trees, and man-made elements like power lines and dam infrastructure can be visible in certain sections. The trail can be narrow in parts, and some sections offer views down to Diablo Lake that might be intimidating for those with a fear of heights. Always wear appropriate hiking footwear due to rocky terrain.
Even if you don't have THE view of Lake Diablo, it's still a very nice hike. Not too strenuous, but not too monotonous either. The trail has just the right amount of everything.