Summer Celebration and Hike-a-thon at 10 a.m. Multiple Locations in the Helderbergs (Indian Ladder Farms)  Offerings will include guided hikes, treasure hunts, outdoor yoga, animal tracking, outdoor art workshops, and more. Outings begin at 9 a.m. and Indian Ladder Farms at 12 p.m. https://mohawkhudson.org/hike-a-thon-2018/