Valley Forge Fossil Day

Park Event · Valley Forge National Historical Park · Oct 17, 2026 · 12:00 PM–4:00 PM

Valley Forge Fossil Day

When: Saturday, October 17, 2026 between 12 noon and 4 pm

Where: Visitor Center at Valley Forge

Learn about mastodons, saber-toothed cats, giant ground sloths, and lots of other incredible critters that walked the ancient landscape of Valley Forge hundreds of thousands of years before George Washington and the Continental Army ever set foot here.

See reproduction and actual fossils found at Valley Forge, earn your Junior Paleontologist badge, and hear science talks about the geologic history of Valley Forge, the Port Kennedy Bone Cave, and the Bone Wars.

Join a park ranger at 7 pm at Muhlenberg's Brigade for a fossil-themed campfire talk.

The full Valley Forge Fossil Day program schedule will be released in early October.

Source: National Park Service (public domain).