Brochures English Oki Islands. Explore the Hidden Isles. A Pocket Guide to Outdoor Activities (7.1MB) Oki Islands Geopark Guide Map (5.2MB) Oki Islands Geopark Leaflet (2MB) French Oki Islands Geopark Leaflet (1.1MB) Chinese Oki Islands Geopark Guide Map (3.7MB) Oki Islands Geopark Leaflet (2.1MB)