Caves & Karst
Saturday, October 18, 2025 09:30 AM - 11:30 AM
Meet at the Thacher Visitor Center. Discover the development of Thacher Park's unique landscapes as we observe limestone layers, resurging underground streams, and an active sinkhole! Each participant will follow the group leader in their own vehicle as we caravan to different sites. Ages 16+. Registration Encouraged. Call 518-872-0800.
Call to Register: (518) 872-0800
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