Activity Cards

If you are a beginner rider and perhaps have just completed one of the IRC mountain biking clinics or just want an enjoyable and relaxed ride in the Orange County wilderness, then join us on this docent led, group mountain bike ride in Limestone Canyon Nature Preserve.

This ride starts at the Augustine Staging Area in Limestone Canyon Nature Preserve and rides out Limestone Canyon Road to the geological feature call The Sinks. The ride is about 8 miles long and climbs slightly on the outbound portion, with no significant climbs, but does roll up and down throughout the route and has a total elevation gain of about 450 feet. Note this is the same route as the Evening Beginner Family Ride, just riding the route in the morning.

While not required, participants may consider first riding similar trails like Telegraph Canyon Road in Chino Hills State Park or Trabuco Canyon Road in O’Neill Regional Park.

Riders should bring sufficient water and food for a 2+ hour ride and carrying tools for any trail side repairs is always recommended.

Please review the 1-through-5 Difficulty Ratings to help you evaluate your readiness to participate in this level-2 activity on the land. Note that Electric Mountain Bikes of any class or type are not permitted.

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to the West Sinks in OC Parks’ Limestone Canyon. Distance is about 6 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine (Portola Staging Area) and travels into OC Parks’ Irvine Ranch Open Space.

Join us on this moderate-paced hike over the ridge and the through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. We will enjoy short breaks at the East and West Sinks viewing platforms before hiking back through the canyon. We will enjoy a view of wonderful vistas in addition to a spectacular view of The Sinks. This hike involves hiking on both double and single-track trails with an elevation gain of 1000 ft.