Where: Japan · Asia · approx. 45.29, 141.01 (vicinity only)
Why this spot: Rockhounding locality: white agate pebbles on a named Agate Beach facing the Japan Sea
What turns up: white agate, chalcedony, quartz pebbles
Access: Open / legal.
Town tourism promotes picking the small washed-up agates; the island sits within Rishiri-Rebun-Sarobetsu National Park, so take only a few loose beach pebbles and disturb nothing
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.