#10 on this list
Salmon River (Lower Main)
Idaho, USA
While often associated with Idaho, the Lower Main Salmon's proximity and similar character to many PNW wilderness rivers make it a worthy inclusion. This is the 'River of No Return' – a multi-day, true wilderness expedition through one of America's deepest canyons. The whitewater is fun and splashy Class III, with occasional Class IV at higher flows, making it accessible to a wide range of skill levels, from adventurous families to seasoned paddlers. The river is warm in summer, offering a welcome reprieve from the cold, snowmelt-fed rivers elsewhere. The season runs from late spring through early fall. Access is from Corn Creek or Vinegar Creek, deep in central Idaho, requiring significant travel. Permits are extremely competitive and allocated through a lottery system due to the 'Wild and Scenic' designation. Trade-offs are the high demand for permits and the significant logistics involved in planning such a remote trip. However, the reward is an unparalleled wilderness experience, rich in history, scenery, and genuine adventure. **Highlights** * Iconic multi-day wilderness expedition, 'River of No Return' * Fun Class III-IV rapids through a deep canyon * Warm water in summer, ideal for swimming * Rich historical sites and hot springs along the river * Abundant wildlife (deer, bighorn sheep, bears, eagles) **Watch-outs** * Extremely competitive permit lottery * Significant travel and logistics required for access * True wilderness, requiring self-sufficiency and preparedness * Can be crowded at popular campsites during peak season
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#1 on this list
White Salmon River
Washington, USA
The White Salmon River, particularly the segment from Husum to the Columbia, is a quintessential PNW whitewater experience. It's a short, intense burst of cold, clear, spring-fed water that drops steeply through a basalt canyon. What makes it special is its consistent flow, thanks to underground springs, meaning it's runnable almost year-round, though spring and early summer are peak. The rapids are continuous, exciting Class III-IV, with names like 'Waterfall' and 'Big Brother' living up to their billing. Access is easy from the town of Husum or BZ Corners, just a short drive north of the Columbia River Gorge. Ideal for intermediate to advanced paddlers, or spirited first-timers with a good outfitter. Expect busy commercial traffic, especially on weekends. It's cold water, even in summer, so wetsuits are standard. There are no major permits needed for private rafters, though commercial outfits handle their own allocations. The main trade-off is the popularity and the relatively short run, but the consistent quality of the whitewater makes up for it. **Highlights** * Continuous Class III-IV rapids, including 'Big Brother' and 'Double Drop' * Cold, clear, spring-fed water from Mount Adams * Basalt canyon scenery * Near year-round reliability of flow * Close proximity to Hood River and Columbia River Gorge amenities **Watch-outs** * Very popular, can feel crowded on peak days * Water is consistently cold, requiring proper gear * Relatively short run (3-5 hours) * Potential for swift currents and hydraulics
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Specs side by side
| Spec | Salmon River (Lower Main) | White Salmon River |
|---|---|---|
| Location | Central Idaho, USA | Southern Washington, near Columbia River Gorge |
| River Miles | 79 (Corn Creek to Vinegar Creek) | — |
| Typical Duration | 5-7 days | — |
| Whitewater Class | III, IV at higher flows | — |
| Best Season | Late Spring to Early Fall | Spring to early Fall |
| Primary Access Point | Corn Creek, ID | — |
| Designation | Wild and Scenic River | — |
| Source | — | Mount Adams glaciers & springs |
| River Class | — | Mainly Class III-IV (with Class V option) |
| Typical Run Time | — | 3-5 hours |
| Water Temp | — | Consistently cold (wetsuits recommended) |
| Primary Access | — | Husum, BZ Corners |
What our reviewers liked and didn't
Salmon River (Lower Main)
- Genuine multi-day wilderness expedition through a deep canyon
- Warm river water in summer, great for swimming and comfort
- Class III-IV rapids offer fun and engaging whitewater for many skill levels
- Rich in history, hot springs, and abundant wildlife viewing opportunities
- Unparalleled scenery and sense of remote adventure
- Permits are exceptionally difficult to acquire via lottery
- Significant logistical challenges due to remote access and shuttle needs
- Can experience crowded campsites during peak season launches
- True wilderness demands high level of self-sufficiency and preparedness
White Salmon River
- Consistent, reliable flows almost year-round
- Continuous, exciting Class III-IV rapids
- Stunning basalt canyon scenery
- Close proximity to Columbia River Gorge amenities
- Accessible for both guided trips and experienced private boaters
- High popularity means crowds on peak days
- Water is consistently cold, requiring proper gear
- Relatively short run (3-5 hours) compared to other rivers
- Potential for swift currents and powerful hydraulics
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