About Cowlitz River
Cowlitz River offers a refreshing retreat with crisp, cold waters set against the lush backdrop near Mt. Rainier National Park. This primitive swimming hole captures the spirit of Washington’s natural beauty, featuring a wide, slow-moving river that invites you to immerse yourself in cool tranquility. The seclusion and vast space make it a standout among hot springs in Washington, even though it’s a cold spring.
Getting There
You reach Cowlitz River easily by vehicle, with drive-up access right to the site—no hiking required. Ample parking is available near the old NF Rd. 1270 bridge crossing, making arrival straightforward. The absence of trails means you can get to the water quickly and start enjoying the swim.
What to Expect
The water here stays cold but inviting, especially after spring runoff has calmed. The wide, deep river moves slowly, creating excellent swimming conditions in summer. The atmosphere is peaceful and seldom crowded, with few visitors sharing this quiet spot. Facilities are minimal, enhancing the raw, natural vibe. Clothing is optional, reflecting the relaxed, local nature of the place.
Tips for Visitors
Visit in summer when the water is most conducive to swimming and the surroundings are dry. Bring your own gear for swimming, camping, or kayaking, as no amenities are provided. The site is free to use, and respecting the natural environment and privacy of others helps keep Cowlitz River a calm, authentic Washington swimming hole.
