Hyōtan Island

What it is

• An uninhabited island located within Lake Kanna in Kamikawa Town.
• Formed in 1968 following the completion of the Shimokubo Dam.
• Managed by the Japan Water Agency and often omitted from standard maps.
• A land feature that fluctuates between being an island and a tied peninsula.

What to see

• The island landform visible from the shore or via aerial photography.
• Surrounding waters used by local anglers for crucian carp fishing.
• Areas of the lake where smelt fishing takes place around the island.
• The changing shoreline that submerges based on the current dam water levels.

When to go

• Spring through autumn when anglers are most active in the area.

Notes written by Japan Gems from facts in Japanese Wikipedia.