"Open since the early 1990s, this long-established resort centers on a river that is divided into more than a dozen distinct bathing areas, offering an expansive, resort-style hot-springs experience. Guests can explore winding pools to discover secluded bars and private nooks, creating a mix of lively social spots and intimate relaxation that has helped the property maintain a reputation as one of the country's most impressive thermal destinations." - Ashley Harrell Ashley Harrell Ashley Harrell is a Northern California-based journalist who writes about the sea, wildlife, travel, and more. As a Lonely Planet writer, she's co-authored 48 guidebooks in 15 countries and serves as an editor at SFGate. Travel + Leisure Editorial Guidelines