Limestone Canyon is a treasure waiting to be discovered. Join us for a moderately-paced, 10-mile cardio hike. The hike may include a few short rest stops along the way and will be a great introduction to fitness, cardio-style hikes as well as OC Parks’ magnificent Irvine Ranch Open Space.  Views of Limestone Canyon, and the surrounding wilderness, from Limestone Ridge along with a visit to the East Sinks will be the highlight of our tour.

Each participant must carry their own day pack, 64 oz. (2 quarts) of water, trail snacks, sun screen, hat, and any other necessary equipment to keep you safe on the trail, and wear sturdy, closed-toe hiking shoes or boots.

Please make sure you are in excellent physical condition! Even though this is a slower cardio hike, it is faster than a walk. You must be able to hike 3+ miles per hour the entire time without stopping.

Please note, advanced registration required, no walk-up registration is permitted.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here