01 / Memambetsu Wetland Plant Community
Yachidamo ash and yachihannoki alder woodsrun about 2 km along the Lake Abashiri shore.

The Agency for Cultural Affairs says that in the lowland marsh on the east shore of the southern part of Lake Abashiri, a natural broadleaf forest whose main canopy trees are yachidamo ash and yachihannoki alder continues in a belt for about 2 km. Skunk cabbage spreads over the forest floor, and the site was designated a national Natural Monument in 1972.
- National Natural Monument (designated June 14, 1972)
- Natural forest runs in a belt for about 2 km
- Canopy trees are yachidamo ash and yachihannoki alder
