High in the fir forests of Arcadia, Manna transforms a 1920s sanatorium into a light-filled modern refuge where pale wood, raw stone, and floor‑to‑ceiling windows frame uninterrupted mountain vistas. For the discerning traveler, it offers a rare blend of restorative solitude and sculptural design—from the subterranean cave pool to copper‑soaked tubs—every detail calibrated for calm, connection, and understated luxury