Home » Facts Zoar Valley MUA has the TALLEST Basswood tree in the world! According to the DEC, a 128 foot tall basswood within Zoar Valley has been reported to be the tallest basswood in the world. in Autumn Spring Summer Winter Nature Gowanda Email this page Travel Guide It's a full 56-page comprehensive guide, highlighting the activities and attractions in our County and it's FREE!! View the visitor's guide online or request that the Enchanted Mountains guide be snail mailed to you for FREE! Related Events Cancelled- Friends of Good Music presents Philip Edward Fisher Friends of Good Music presents Kenneth Overton Friends of Good Music presents Kenneth Overton Southern Tier Symphony's: Series III "Amaze" Olean Theatre Workshop presents "Witness For the Prosecution"