Koosah Falls is a 64-foot waterfall in the Willamette National Forest in Oregon.
It’s one of several waterfalls on the McKenzie River, and is part of a popular loop trail with Sahalie Falls.
Location:
- In the Cascade Mountains, along the McKenzie River
- Part of the McKenzie River watershed
- Located off Highway 126, along the McKenzie Pass-Santiam Pass and West Cascades National Scenic Byways
Features:
- A 64-foot drop into a large pool
- Part of a 2.6-mile loop trail that connects to Sahalie Falls
- The trail borders the McKenzie River through a forest
Nearby attractions:
- Sahalie Falls, a 100-foot waterfall that plunges over a lava dam
- Carmen Reservoir, where hikers can cross the McKenzie River and take a 2.5-mile loop
When to visit:
- March to May to see the falls at their peak
- October to see the fall foliage
- In the summer, try to arrive by 9 AM for less crowded conditions
Other information:
- The names of the waterfalls are Chinook Jargon words, meaning “Sky” and “Heaven” respectively
- Parking is available at both falls, but Koosah Falls may be less congested
•Developed day-use site — free, no fee. Shared trailhead/viewing area for both Koosah and Sahalie Falls.
At this day-use area
FacilitiesPicnic tables, vault toilets, viewing platforms
Restrooms / waterVault toilets on site; no potable water — bring your own
FeeNone — free, 6am–10pm
PetsLeashed, max 6 ft
FAQ
Frequently asked questions +
Is there a fee to visit Koosah Falls?
No — it’s free, open 6am to 10pm daily.
Are there restrooms here?
Yes — vault toilets are on site, but there’s no potable water, so bring your own.
Can I park on the highway shoulder if the lot’s full?
No — the Forest Service specifically asks visitors not to park along Highway 126. The lot also isn’t maintained for snow and ice in winter.
Are dogs allowed?
Yes — leashed dogs are welcome. Please bag and pack out solid waste.
Is there a fee to visit Koosah Falls?
No — it’s free, open 6am to 10pm daily.
Are there restrooms here?
Yes — vault toilets are on site, but there’s no potable water, so bring your own.
Can I park on the highway shoulder if the lot’s full?
No — the Forest Service specifically asks visitors not to park along Highway 126. The lot also isn’t maintained for snow and ice in winter.
Are dogs allowed?
Yes — leashed dogs are welcome. Please bag and pack out solid waste.








1 Review on “Koosah Falls”
Koosah Falls is a spectacular waterfall. Once while visiting, I got to watch a number of kayakers take turns running over the waterfall!! What an amazing experience!