#5 on this list
Upper Klamath River
Oregon/California, USA
The Upper Klamath, particularly the 'Hell's Gate' section, is not for the faint of heart. This is serious Class IV-IV+ whitewater, often dubbed the 'Big K,' known for its continuous, technical, and high-volume rapids. It flows through a remote, arid canyon on the Oregon-California border, offering a unique blend of high desert scenery and intense whitewater. The season is typically late spring through fall, thanks to reliable dam releases from Link River Dam. Access is from near Keno, Oregon, requiring a drive into a fairly remote area. This is strictly for experienced paddlers or those going with highly competent commercial outfitters. The remoteness means self-sufficiency is key. Expect long days on the water with very little flatwater between drops. The trade-off is its intensity and the commitment required; this isn't a casual float. No specific permits beyond standard state regulations, but it's crucial to have solid river skills and a well-equipped group. **Highlights** * Continuous, technical Class IV-IV+ whitewater * High volume rapids, including 'Caldera' and 'Hell's Gate' * Remote high desert canyon scenery * Reliable flows due to dam releases * Challenging and rewarding for experienced rafters **Watch-outs** * Very demanding, not suitable for beginners * Remote access, requires self-sufficiency * Long day on the water with continuous rapids * Potential for long swims in cold, powerful water
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#6 on this list
Owyhee River (Lower)
Oregon, USA
The Lower Owyhee, especially below Rome, Oregon, is a wilderness gem. This is a multi-day trip through a spectacular, remote canyon often compared to the Grand Canyon in miniature. It's an arid, starkly beautiful landscape, characterized by towering, colorful cliffs, hoodoos, and vibrant desert flora. The whitewater is Class II-III, with a few Class IV rapids ('Whirlpool' and 'Ambush') depending on flow, making it suitable for experienced intermediates or confident beginners with a good outfitter. The catch? It's a free-flowing river, meaning the season is entirely dependent on snowpack and spring runoff, typically a narrow window in April and May. Access is remote, requiring a long drive into southeastern Oregon. Permits are required and are highly sought after due to the limited season. The trade-off is the genuine wilderness experience; this river offers solitude, stunning scenery, and a unique chance to explore one of Oregon's most wild places. Prepare for unpredictable weather and true remoteness. **Highlights** * Multi-day wilderness trip through a remote, spectacular canyon * Class II-IV rapids, including 'Whirlpool' and 'Ambush' * Towering colorful cliffs, hoodoos, and unique geology * Excellent opportunities for hiking and exploring side canyons * Chance for solitude and wildlife viewing (bighorn sheep, eagles) **Watch-outs** * Limited, highly variable season (April-May only) * Permits are competitive due to short season * Extremely remote access, long drives involved * Unpredictable high desert weather (sun, wind, cold)
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Specs side by side
| Spec | Upper Klamath River | Owyhee River (Lower) |
|---|---|---|
| Location | Oregon/California, USA | Southeastern Oregon, USA |
| River Class | IV-IV+ (continuous) | — |
| Best Season | Late Spring through Fall | — |
| Flow Source | Dam Releases (Link River Dam) | — |
| Notable Rapids | Caldera, Hell's Gate | — |
| Scenery | Remote High Desert Canyon | — |
| River Type | — | Free-flowing desert river |
| Whitewater Class | — | II-IV |
| Typical Season | — | April-May (flow dependent) |
| Trip Length | — | 3-8 days |
| Key Feature | — | Remote canyon wilderness |
What our reviewers liked and didn't
Upper Klamath River
- Continuous, high-volume Class IV-IV+ whitewater experience
- Reliable flows due to dam releases, extending the season
- Unique remote high desert canyon scenery
- Challenging and deeply rewarding for experienced paddlers
- Long stretches of exciting rapids with minimal flatwater
- Not suitable for beginners or intermediate paddlers
- Remoteness requires significant self-sufficiency and planning
- Very long day on the water, demanding high physical endurance
- Cold water and potential for long swims in powerful rapids
Owyhee River (Lower)
- Unparalleled wilderness solitude and scenic beauty
- Spectacular geology with towering cliffs and unique formations
- Genuine multi-day expedition experience
- Excellent opportunities for hiking and side canyon exploration
- Chances for wildlife viewing in a remote setting
- Extremely limited and unpredictable season due to snowpack
- Permits are highly competitive and difficult to secure
- Very remote access requires significant driving and planning
- Unpredictable high desert weather, from heat to cold/wind
- Significant logistical challenges for private trips
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