KENTWOOD, Mich. (WOTV) It’s National Pie Day! To celebrate all 15 locations of Grand Traverse Pie Co. will provide a free slice of a fruit pie with any purchase. A well-known pie company with many delicious selections, including fruit and chocolate, the company has added on another great choice. Grand Traverse now offers gluten-free mini pies. Stop by the nearest Grand Traverse Pie Co. in West Michigan located at 3224 28th St. SE Kentwood, Mich. 49521 for your slice of pie. Their operating hours are 7 a.m. – 9 p.m.