Tenmile Creek runs through the villages of Rensselaerville and Medusa in the town of Rensselaerville. It approaches the village through a deep ravine, falling 200 feet (61 m) in the course of 0.6 miles (1.0 km), which afforded great hydraulic power to early settlers.[3] The mill house in Medusa stood until the 1980s, when it was destroyed by fire.