Koosah Falls

Idanha · Linn County · USDA Forest Service

Photo of Koosah Falls

Visit

Plan a visit

Save this place, get directions, or start a short trip plan. Hours and amenities are listed below.

Search to see a fit score for your needs.

Compare nearby

Essentials

At a glance

Published hours and a quick amenity skim — confirm on the official page before you go.
Hours

See official page for current hours

On site

Visitor amenities

Grouped from public park records — confidence may vary by source.

…stay a while

  • Restroomfacility

…be in nature

  • Trailnature
  • Hiking Trailsnature
  • Waterfallnature

Location map

Pin location for directions and nearby context.

Loading map…

Overview

About this park

Koosah Falls, also known as Middle Falls, is the second of the three major waterfalls on the McKenzie River in the heart of the Willamette National Forest in Linn County, in the U.

S. state of Oregon. The waterfall is notable for its main drop of 64 feet (20 m) that plunges into a considerable pool, south of Santiam Pass. Koosah Falls is located 0.

5 miles (0. 80 km) downstream south of Sahalie Falls, southeast of Salem, Oregon, northeast of Eugene, Oregon and west of Mt. Washington.

The word koosah means "sky" in Chinook Jargon.

Today

Check conditions before you go

Weather

Loading forecast…

Forecast is advisory — confirm park hours before you go.

Getting there

Idanha, OR
Compare parks

Nearby

More parks in Idanha

Nearby options if this one isn’t the right fit.

Data quality

Sources

Check the official source for current hours and closures. Amenities are from public park records and may change seasonally. The agency page remains the source of record.

Confidence checks: coordinates · website · image · hours · amenities (and last verified when known).

Confidence score

78/ 100

USGS GNIS Falls (Oregon)

  • official website
  • coordinates
  • amenities
  • hours
  • image
  • last verified

Unknown statuses are not treated as open.

Oregon Outdoor AtlasOregonOutdoor Atlas

Explore More. Discover Oregon.

Discover Oregon's parks, trails, waterfalls, lakes, beaches, and campgrounds. Explore outdoor destinations, plan your next adventure, and share your experiences.

Always verify hours, fees, fire restrictions, and access with the managing agency before you go.

© 2026 Oregon Outdoor AtlasAll rights reserved.

Built for Oregon outdoor exploration — not affiliated with any land management agency.