My boys love to climb and slide down boulders. If a trail has big rocks, they are all in. Their favorite spot is the big boulder near the dam at Ames Nowell State Park in Abington. They climb it over and over again and then slide down one side of it. As a parent, it’s hard to watch, and last summer they came home with scraped backsides and ruined pants from sliding down the rock, but they were happy! A trail with interesting rock formations will undoubtedly create various points of interest that keep your kids happily moving and exploring.