KT Boundary hike

Join Certified Interpretive Guide Steve Kaverman for a short, easy walk along the Long’s Canyon Trail to the K-T Boundary. The K–T Boundary (now more accurately called the Cretaceous–Paleogene or K–Pg Boundary) marks a major episode in Earth's history that happened approximately 66 million years ago. This unique spot in the park precisely marks one of the most significant extinction events on our planet. A point in time when about 75% of all species on earth became extinct, including nearly all dinosaurs. Here in Trinidad Lake State Park, a readily visible, thin layer of sediment marks the K-Pg boundary. Like a snapshot, it records a sudden global catastrophe when one period of Earth history ended and another began. Join us and see this fascinating spot for yourself.
Activities are rain or shine. These activities are free to the public, however all vehicles are required to have a Park Pass. You can purchase a pass at the Visitor Center or any of our self-serve stations.
Meet at the Long's Canyon trailhead at 8:30 for this hike.