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Trip Report

Thomas, Blue and Tombstone Lakes — Wednesday, Sep. 17, 2025

South Cascades > Mount Adams Area
The Thomas Lake Trail breaks out of the forest onto the central Indian Heaven volcanic plateau, which is filled with meadows, forests and numerous lakes. Photo by Susan Saul

Even mid-week, the trailhead for the Thomas Lake Trail is a popular spot.

We hiked at a leisurely pace, pausing to look for birds to add to our eBird list. We encountered large flocks of American Robins filling up on huckleberries to fuel their migrations.

We also paused to check out a pika site. A sentry was on duty so we knew the site still was occupied, and I captured data for a Cascade Pika Watch report.

We reached the central plateau of the Indian Heaven volcanic field and stopped at Rock Lake for lunch. From there, we continued on through meadows and forest, sampling the remaining huckleberries and enjoying the views of the small lakes and tarns while watching Turkey Vultures drifting south in circles overhead as they searched for updrafts to power them along. We marveled over the bright reds of the backlit Cascade bilberry bushes.

Reluctantly we turned around to head back to the trailhead for the drive home. September is such a special time of year and the ideal month for hiking in Indian Heaven, but it is fleeting.

Driving Tip: The washout on FR 65 has not been repaired. We recommend driving up the Wind River Highway to the junction with FR 6507. Drive gravel FR 6507 about 4 miles to the junction with FR 65, turn left on FR 65 and reach the Thomas Lake trailhead in about 1/2 mile.

Rock Lake was our lunch destination. Photo by Susan Saul
Brilliant colors of the backlit Cascade Bilberries mixed with the golds of grasses and dark greens of evergreens. Photo by Susan Saul
Lake Umtux (also spelled Umtuch) was named for the Klickitat chief made famous by the battle that didn't happen at Battle Ground. Despite there not being a battle there in 1855, somehow Chief Umtux was killed. Photo by Susan Saul
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