Japan

Ibaraki Prefecture

Shiga Prefecture

Kyoto Prefecture

Chiba

Kanagawa Prefecture

Chiba Prefecture

Kanagawa

Aichi Prefecture

Tochigi Prefecture

Hokkaidō

Präfektur Okayama

Tokyo

Präfektur Ōsaka

Unofficial nudist beach. Get a bus 35 from miurakaigan station and get off at kobama 小浜 just before the road goes inland . Walk along the coast towards east. Walk in front of the waste water treatment facility.

Amesaki

EDOYUU

koyaru morinoyu

rakuspa tsurumi

High end onsen—fully naked of course—with indoor and outdoor bathing, sauna (with tv!), steam room, and cooling down areas. Also offers a restaurant, relaxation rooms, massage chairs, etc. A little expensive for Japan but open late and great facility. 

Setouchi Onsen Tamanoyu

spa laqua

thermae-yu

Tsurishi beach
From Ohanabatake station use a taxi to Hyotan’ike pond. Costs about 1500 yen. Follow the trail into the mountain for 15 mins. Go through the tunnel to go down to the beach. In the summer dozens of nudists. 

釣師海岸

Japan

Other regions

Tokyo