Diablo Lake

North Cascades

updated 2 months ago

Diablo Lake trail conditions are generally excellent as of early July 2026. The trail is snow-free and in good shape, with varied terrain including smooth sections and rocky areas. Hikers can expect nice views of mountain peaks and the lake. There are some spots with boulders and open areas offering panoramic vistas. Road access is suitable for all vehicles. One report from July 6 noted a juvenile black bear foraging on blueberries.

Generated from 15 trip reports. Trails change faster than reports do, so check anything you’d turn around for.

What hikers ask about Diablo Lake

Generated from the most recent trip reports, newest 2 months ago. Check anything you’d turn around for.

No trip reports on this trail in 2 months, so everything below is at least that old.

The road to Diablo Lake is reported as suitable for all vehicles as of June 30 and July 6. There were no reports indicating any issues with the road access in the provided trip reports.

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Trail notes generated from recent reports. Conditions change fast.

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North Cascades > North Cascades Highway - Hwy 20

Trail is in good shape. Spotted a juvenile black bear enjoying the blueberries.

North Cascades > North Cascades Highway - Hwy 20

This is a great hike high above the cliffs of Diablo Lake (reservoir). There is lots of variation in terrain, thru the woods by the NCI, a climb thru some boulders to reach a lookout point under the p...

North Cascades > North Cascades Highway - Hwy 20

We started our hike at 8:30 from the Diablo Lake TH.We were the only car there.Only saw a few hikers along the way.Met a couple who had taken the ferry down and doing a one way hike back to the Diablo...

North Cascades > North Cascades Highway - Hwy 20

Very chill and easy hike, couple friends went swimming at the end.Would be a very cool trail run with cold dip + picnic as a treat.

North Cascades > North Cascades Highway - Hwy 20

Chill forest walk with some views of the lake and surrounding mountains about 2.5 miles in. Didn't do the final descent as I'd seen everything I wanted. Great views of Colonial and Pyramid Peaks, you'...

North Cascades > North Cascades Highway - Hwy 20

Great two-night backpacking trip with our pup. We camped at Green Point the first night and Big Beaver the second. On day two, we hiked about two miles up the Big Beaver Trail and sawlotsof bear scat ...

North Cascades > North Cascades Highway - Hwy 20

Hiking at Diablo Lake. The road to Vista Point is still closed, so among the available hikes, Thunder Knob was basically the only option for me. It takes about an hour one way and offers a great view ...

North Cascades > North Cascades Highway - Hwy 20

We did a quick overnight to Big Beaver Camps, and day hiked up to 39 Mile.Diablo Lake trail is clear.25ish trees down from Ross Dam to Big Beaver camps.60ish trees down from Big Beaver camps to 39 Mil...

North Cascades > North Cascades Highway - Hwy 20

The hike is about 7 miles with about 1500 feet of climbing. The steep sections all have switchbacks, so a fairly moderate trail.TrailheadFree Parking! We did get camping permits from the ranger online...

North Cascades > North Cascades Highway - Hwy 20

We arrived around 9 am Sunday of Labor Day weekend and there were lots of parking spots open when we arrived and when we left in the early afternoon. The road in is in great condition and easy with a ...