Cape Cod Blog, Cape Cod Hiking, Cape Cod Photography, Cape Cod Trails Another Cool Glacial Rock At Nickerson State Park On Cape Cod. January 24, 2020 Mel 2 Comments Post Views: 920 We were taking a hike around Flax Pond in Nickerson State Park and saw this large glacial rock on the side of the trail. It is split in two parts…maybe from water and ice? Maybe during the Ice Age? It was pretty cool. What do you think?