Thendara is a part of the Herkimer County region area of New York known for its Lapland Lake Nordic Vacation Center and Adventure Sports Rafting. Major attractions include Six Flags Great Escape Lodge & Indoor Waterpark and West Mountain Ski Area. Each year in the summer season there is the Herkimer County Fair. Among the biggest companies in Thendara are Moose River Trading Co Inc and North Creek Music Systems. The biggest schools here are the Beaver River Senior High School and Beaver River Middle School. One of the best places to visit when you are in Thendara is the Adirondack Scenic Railroad.