Nature Hike. Glacial Geology Walk Sunday, November 27th, 10:00 am-11:30 am Learn how glaciers shaped the Capital Region landscape on this two-mile walk over the Escarpment Trail. Recommended for ages 12+. Registration is not required. 10 a.m. at Thacher State Park Visitor Center 830 Thacher Pk Rd, Voorheesville, 12186