Mid-River Farm and the guest house, Les Rochers is sited on the western edge of Grindstone island in the Thousand Islands region* Architect designed for a prominent river family in 1903 by the New York firm of Warren & Wetmore designers of the New York Yacht Club and Grand Central Station* The main house with over 7000 square feet is one of the most distinguished resort building in the region* The interior walls are southern pine throughout with fir flooring* All overlooking the river with meadow lands, beaches, hardwoods on an island with easy access to historic Clayton village*