A strenuous 4.4-mile round trip through old-growth forest to a 100-foot waterfall; bring sturdy footwear and expect significant elevation gain.
Kentucky Falls is reached via a strenuous 4.4-mile round trip with 777 feet of elevation gain on the return. The trail passes both Upper and Lower Kentucky Falls, though the 100-foot height refers to Lower Kentucky Falls specifically. Old-growth forest surrounds the hike.
This outing suits experienced hikers who appreciate forest scenery and are prepared for significant elevation challenge. There is no day-use fee. The steep return climb demands reliable footwear and good fitness.
Pacific Northwest waterfalls generally run fullest in winter and spring; late summer may see reduced flow.
three to four hours
you're looking for something short and easy, or you're uncomfortable with steep elevation gain (777 ft on the return).
No fee or permit requirement was published on the managing agency's site when we last checked — confirm current conditions before you go, since these change.
Via a 4.4-mile round-trip trail rated strenuous by the managing agency.
We track 17 waterfalls in Oregon Cascades.
There are 2 other waterfalls we track in Lane. All Oregon Cascades waterfalls →
fs.usda.gov
USFS Siuslaw National Forest official trail page, checked Aug 2026; height (100 ft) refers to Lower Kentucky Falls specifically; the trail also passes Upper Kentucky Falls; round trip is one-way 2.2 mi doubled, with 777 ft of elevation gain on the return
Checked August 2026.