More Highland Lake Postcards by Louise Smith Posted on December 4, 2022 Greetings from Highland Lake, NY.Highland Lake Bible Conference, Highland Lake, NY. Highland Lake Inn Landing. Lake DeVenoge Golf Course, Highland Lake, NY Other Highland Lake Postcard Posts Old Highland Lake Postcards Highland Lake Boarding Houses This entry was posted in Boarding Houses, Echo Hill and Mountain Grove, Farewell to Eldred, Postcards, Then or now. Bookmark the permalink.