Florissant Fossil Beds National Monument sits in central Colorado, west of Colorado Springs, where an ancient lake and volcanic ash buried a late-Eocene world in extraordinary detail. The National Park Service protects giant petrified redwood stumps alongside one of the richest and most diverse fossil deposits in the world — a place where even delicate butterflies and spiders left their imprint in stone. For RV families, it's a quiet, science-rich stop in the Pikes Peak region.
Best season — Late spring through early fall (high elevation; check NPS for winter access)
At a glance
The facts worth checking before you roll out
Conservative, source-minded facts for planning your visit — always worth confirming against current conditions before you travel.
State
Colorado
Managed by
National Park Service
Fossil age
~34 million years (late Eocene)
Described species
Over 1,800
Established
1969
On the ground
Florissant's story begins with an ancient lake and a volcanic landscape. Fine ash and lake sediments entombed plants and animals so gently that the NPS describes some of the most delicate fossils found anywhere — insects, spiders, and even pollen grains and diatoms preserved at microscopic scale.
The monument is best known for two very different kinds of fossils side by side: massive petrified redwood stumps, some from trees the NPS estimates once stood over 230 feet tall, and the famously fine-grained shale that holds butterflies, moths, fish, and leaves. The Park Service notes the site may hold more species of these delicate insects than any other fossil site in the world.
Congress established the monument in 1969 to protect the beds from development and uncontrolled collecting. Today the fossils stay in the ground or in the collection — visitors come to walk the trails and see the petrified stumps in place, not to dig. Check the National Park Service site for current hours, trail conditions, and the nearest RV-friendly camping in the Pikes Peak region before you go.
Official sources
- National Park Service — Florissant Fossil Beds National Monument National Park Service
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