Part 1 – Columbia to Chickies Rock: Explore the geology of Chickies Rock, other areas on trail along Susquehanna River Columbia is located within the Piedmont Lowlands Section or locally known as the Conestoga Valley. MORE: https://www.ydr.com/story/opinion/columnists/2018/03/15/take-geological-tour-northwest-lancaster-county-recreational-trail/427794002/ Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook More Share on Bluesky (Opens in new window) Bluesky Share on X (Opens in new window) X Like Loading... Related