Gander Mountain in Howland to be rebuilt By Nadine GrimleyPublished: September 9, 2015, 8:59 pm HOWLAND TWP, Ohio (WKBN) – Changes are coming to the Trumbull County Gander Mountain. The Howland Township store is doubling the size of its space at the current site on Niles Cortland Road. The building will be torn down and replaced with a 61,300 square foot facility. During construction, employees will work out of a temporary space in the Howland Commons Shopping Center. Construction is expected to be finished in the spring of 2016.