I visited Teguramori Marsh in Yamagata Prefecture. The exploration began about 1 km from the parking lot. I walked along a forest path. The path was well maintained and easy to follow. After walking for a while, I came across a signpost and what appeared to be a marsh in the distance. I arrived at the entrance to the marsh, but the boardwalk was in a state of severe deterioration, with the far end collapsing. It looked dangerous, so I decided not to enter. I spotted a sho...





