Gildersleeve Mountain in Kirtland, Ohio, is a prominent summit in the Chapin Forest Reservation and a visible landmark near Cleveland, marking the local beginning of the Allegheny Plateau. Rising 1,163 feet above sea level, it is known for scenic views, distinctive rock outcrops, and geology shaped by ancient sedimentation, glaciation, and meltwater. Sharon conglomerate ledges, along with Bedford shale and Berea sandstone, define much of its rugged character; Berea sandstone quarried here helped build Kirtland Temple and other local structures. Though quarrying, logging, roads, and housing altered the mountain, it remains an important scenic and natural site with forests, ravines, trails, and enduring evidence of earlier park use.