2 listings
Family-Friendly Hot Springs in Washington
Developed pools where kids are welcome and swimsuits are the norm. Some have adults-only hours or areas, noted on each listing.
We list 2 in Washington: the hottest is Sol Duc Hot Springs Resort (up to 104°F) and the lowest listed adult price is Sol Duc Hot Springs Resort ($19).

Bonneville Hot Springs Resort & Spa
A Columbia River Gorge resort in North Bonneville with an indoor mineral-fed pool and hot tub, an outdoor hot tub, cold plunges and a sauna. Non-guests can buy one- or two-hour passes online or at the door, and the spa offers mineral baths in a shared bathhouse with private partitions. Some guest rooms have private hot tubs filled with untreated spring water.

Sol Duc Hot Springs Resort
A National Park Service concession resort in Olympic National Park's Sol Duc Valley, with three mineral pools from about 99 to 104°F and a freshwater pool. Day visitors buy 1.5-hour sessions, and pool use is included for cabin guests. The pools and cabins close each winter, from midday Nov 1 until March 20.