Seneca Castle is a part of the northwest region of New York known for its location to Seneca Lake and Montezuma National Wildlife Refuge. Major attractions include Sonnenberg Garden and Seneca Lake State Park. Each year in the summer season there is an annual Fine Art Show & Sale. Among the biggest companies in Seneca Castle are Pedersen Farms and Seneca Castle United Methodist Church. The biggest schools here are Gorham Elementary School and De Sales High School. One of the best places to visit when you are in Seneca Castle is Sonnenberg Gardens & Mansion State Historic Park.