Tanashiro Marsh is a quiet highland wetland located in the mountains of Fujisato Town, Akita Prefecture, near the UNESCO World Natural Heritage Site of Shirakami Sanchi. Surrounded by forests and mountain landscapes, the marsh is a hidden nature destination known for its seasonal scenery, peaceful atmosphere, and scenic walking trails.

A wooden boardwalk stretches through the marsh, allowing visitors to explore the wetland while enjoying views of native plants, fresh greenery, and mountain landscapes. In early summer, wildflowers bloom across the marshland, while autumn brings vibrant colors to the surrounding forests, making the area a popular photography spot during the fall foliage season.

Located deep in the mountains near Shirakami Sanchi, Tanashiro Marsh offers a quieter and less crowded alternative to more well-known sightseeing spots in northern Akita. The marsh is often visited together with nearby scenic destinations such as Tsurubeotoshi Mountain Pass.

Because the area is located far from major roads and public transportation, visiting with a local guide is recommended. Guided tours provide easier access to the marsh while also offering opportunities to learn about the region’s ecosystem, seasonal nature, and local culture.

Highlights

• Hidden wetland near Shirakami Sanchi
• Scenic wooden boardwalk through the marsh
• Seasonal wildflowers and autumn foliage
• Quiet nature spot away from crowded tourist areas
• Popular location for nature photography and scenic drives
• Recommended destination for guided outdoor tours