Activity Cards

The cactus wren need healthy habitat to thrive. Simple things like weeding and watering native plants can greatly improve habitat for this threatened bird and other wildlife. You can be part of this positive impact while enjoying the scenery along Mule Deer Trail in the Irvine Open Space Preserve. This activity takes place on sloped terrain and sturdy hiking boots are highly recommended. All training, tools, and gloves will be provided to ensure your safety and comfort. Rattlesnakes are occasionally seen here and generally avoid people, but protective gear will be provided. Note that this activity is held on the 3rd Friday of each month.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land.

Explore Limestone Canyon by night on this intermediate mountain bike night ride. We will ride out of Augustine, up Loma Ridge, down to The Sinks, and along Limestone Ridge or Limestone Valley, depending on the group. Please plan for a distance between 10-12 miles. Please arrive early as it will get dark quickly.

Trails include natural hazards such as sand, tree roots, exposed rocks, and ruts.  Expect several steep climbs on this up to12-mile ride with an elevation gain of 2,600 feet.  This night ride is for experienced adult riders.  Lights required.

Understanding the 1-through-5 Difficulty Ratings system will help you evaluate your readiness to participate in this level-4 activity on the land.

Join us for a sporting early morning hike in the Weir Canyon Nature Preserve and Santiago Oaks Regional Park. This 13-mile loop hike includes a 1,700-foot elevation change, and is for experienced, physically fit hikers who enjoy the challenge of multiple steep climbs and descents. Along the way we’ll be rewarded with panoramic views of Orange County, possible wildlife sightings, and a walk through the beautiful oak woodlands of lower Weir Canyon. Please bring a minimum of 70 oz. water and trail snacks. Come prepared with a pack, sturdy closed toed hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail for this half-day hike.

Please review the Difficulty Ratings on the brown banner above before registering. Understanding the 1-through-5 ratings system will help you evaluate your readiness to participate in this level-5 activity on the land.