Hoshino Resorts KAI Sengokuhara Launches 2-Night, 3-Day "Sengokuhara Art Retreat Stay" with Private Open-Air Bath Atelier
From September 1 to November 30, 2026, Hoshino Resorts KAI Sengokuhara offers a new 2-night, 3-day art retreat plan featuring a private open-air bath terrace transformed into a personal atelier, hands-on mineral pigment-making, and visits to the Pola Museum of Art.