Dinner Plain Onsen, located in the heart of Dinner Plain village, is a serene alpine retreat offering a blend of relaxation and wellness experiences. The facility is open daily during the winter season.

Guests can indulge in a variety of amenities, including the Japanese-inspired outdoor Onsen heated to 38 degrees Celsius, providing a tranquil setting amidst the snow. Guests can also enjoy an indoor heated lap pool, sauna, and cold plunge pools. There is a fully equipped gym for fitness enthusiasts, as well as spa treatments such as massages and facials, with all spa services including access to the Onsen and lap pool. Beyond the spa and fitness facilities, guests can enjoy the tranquil lounge area with fireplace, organic teas and seasonal grazing platters featuring local Milawa cheeses.

Dinner Plain Onsen is approximately a 12-minute drive from Mount Hotham Alpine Resort. During the ski season, a daily shuttle bus operates between Mount Hotham and Dinner Plain, facilitating easy access for visitors.