Koosah Falls

Koosah Falls

McKenzie Bridge, OR

Koosah Falls drops 70 feet over a basalt cliff on the McKenzie River, approximately a quarter mile downstream from Sahalie Falls. Spring-fed tributaries emerge from the surrounding lava walls, adding side cascades to the main falls. The pool below displays vivid blue-green coloration from the volcanic mineral content.

Photography Guide

Best Time
morning
Crowds
Moderate
Shot Types
long-exposurelandscapewide
Best Seasons
springsummerfall
Practical Tips
Accessible via the Waterfall Loop Trail from either the Sahalie Falls or Carmen Reservoir trailheads. The trail can be slippery when wet; sturdy footwear is recommended.

Author's Comments

Koosah is the quieter sister. Sahalie gets the crowds and the parking lot energy, and most people stop there and turn around, which is the small mercy that makes Koosah worth the quarter mile of trail downstream. The water here is the photograph. That blue-green at the base of the falls is not a trick of the light or a filter applied later - it is the actual color of the McKenzie River where it emerges from the volcanic aquifer, and it reads especially vivid against the dark basalt. I have stood at the lower viewpoint in late June, mid-morning, when the sun is high enough to reach into the gorge but the mist off the falls is still hanging in the air, and the entire scene goes saturated in a way that feels almost engineered. The side cascades are the detail I would not want to miss. They emerge from the lava walls themselves, spring-fed and steady, and they give the wider compositions a layered quality that the main drop alone does not provide. A long exposure smooths the chaos of the seventy-foot plunge into something closer to fabric, and the side seeps become silver threads against the black rock. Come early. The trail is genuinely slippery and the rocks near the viewpoints do not forgive carelessness. Morning light reaches the pool before the gorge fills with afternoon shadow, and the crowds thin considerably if you are there before the Sahalie lot fills up. Bring a polarizer. The reflections off the wet basalt will eat your highlights otherwise, and the color of that pool is the whole reason to be standing there.

Gallery

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