The activities below are offered by a variety of organizations and their dedicated volunteers. All programs are FREE unless noted below. Programs led by IRC-Certified Volunteers require pre-registration, which closes at 4 p.m. on the day prior to the event. No walk-up registrations will be permitted for these events. For policies of other organizations, please use the sign-up information provided. For mobility device policies click here.
| Note: Minors must be accompanied by a parent or guardian for these events. For programs requiring online registration, each adult and child must be registered. |
Need help? For the fastest answers, look for organization-specific contact information in each event listing (click More Information for full listing). If no contact information is listed, email info@irconservancy.org for assistance.
Click here to learn more about IRC-Certified Volunteers. • Click here to learn more about the Difficulty Ratings.
Friday, October 18, 2019
Limestone Canyon Geology Hike to The Sinks
Come along with us to visit one of the most photographed and famous sites on the Irvine Ranch Natural Landmarks – The Sinks. This interpretative program will begin with a hike along a canyon corridor and will visit the east side of The Sinks. Along the way we’ll talk about the geologic processes that over […]
- Date:
- Fri, 10/18/2019
- Time:
- 7:30 AM - 1:30 PM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 4
- Distance:
- 9 miles
- Minimum Age:
- 18
- Spaces Left:
- 9 of 20
Saturday, October 19, 2019
Family Hike: Agua Chinon
Enjoy an early evening family hike in Agua Chinon, part of the Irvine Ranch Natural Landmarks. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve. The hike will average 3 miles […]
- Date:
- Sat, 10/19/2019
- Time:
- 4:00 PM - 6:00 PM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 8
- Family Friendly:
- Yes
- Spaces Left:
- 4 of 25
Wednesday, October 30, 2019
Mid-Week Hike: Agua Chinon and The Sinks
Recharge your batteries with a refreshing mid-week hike through the Agua Chinon Wash in Limestone Canyon Nature Preserve. This hike will visit The Sinks and other possible destinations such as Box Springs, Loma Ridge, Limestone Ridge and Limestone Canyon. This hike involves multiple steep climbs and descents, with 2100+ feet of accumulated climbing elevation, but is […]
- Date:
- Wed, 10/30/2019
- Time:
- 8:00 AM - 1:00 PM
- Where:
- Irvine Open Space Preserve
- Difficulty Rating:
- 4
- Distance:
- 12 miles
- Minimum Age:
- 18
- Spaces Left:
- 14 of 20
Thursday, October 31, 2019
Thursday Morning Trek: Agua Chinon and The Sinks
Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water. Maximum distance is just short […]
- Date:
- Thu, 10/31/2019
- Time:
- 8:00 AM - 11:00 AM
- Where:
- Irvine Open Space Preserve
- Difficulty Rating:
- 4
- Distance:
- 7 miles
- Minimum Age:
- 16
- Spaces Left:
- 6 of 20
Friday, November 8, 2019
Better Birding Basics: Birding by Ear in Agua Chinon
Birds are often hidden from sight and yet can still be identified by their calls and songs. Knowing how to identify birds by ear is an important step in becoming a better birder. Join other birders as we search for birds by both ear and eye in the beautiful arroyo canyon of Agua Chinon. Restoration […]
- Date:
- Fri, 11/08/2019
- Time:
- 8:00 AM - 11:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 12
- Spaces Left:
- 19 of 25
Saturday, November 9, 2019
Agua Chinon and the Sinks Exploration
Please note: Preregistration is required due to limited parking capacity. Start your weekend off by exploring the Agua Chinon wash and the Sinks through this self-guided opportunity. Designated trails will be open for self-guided trail use in OC Parks’ Irvine Ranch Open Space. Trail routes vary in distance and level of difficulty with choices ranging […]
- Date:
- Sat, 11/09/2019
- Time:
- 8:00 AM - 1:00 PM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- Variable
- Distance:
- Variable
- Minimum Age:
- n/a
- Family Friendly:
- Yes
- Spaces Left:
- Full
Saturday, November 23, 2019
Family Hike: Agua Chinon
Enjoy an early evening family hike in Agua Chinon, part of the Irvine Ranch Natural Landmarks. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve. The hike will average 3 miles […]
- Date:
- Sat, 11/23/2019
- Time:
- 3:00 PM - 5:00 PM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 8
- Family Friendly:
- Yes
- Spaces Left:
- Full
Wednesday, November 27, 2019
Mid-Week Hike: Agua Chinon and The Sinks
Recharge your batteries with a refreshing mid-week hike through the Agua Chinon Wash in Limestone Canyon Nature Preserve. This hike will visit The Sinks and other possible destinations such as Box Springs, Loma Ridge, Limestone Ridge and Limestone Canyon. This hike involves multiple steep climbs and descents, with 2100+ feet of accumulated climbing elevation, but is […]
- Date:
- Wed, 11/27/2019
- Time:
- 8:00 AM - 1:00 PM
- Where:
- Irvine Open Space Preserve
- Difficulty Rating:
- 4
- Distance:
- 12 miles
- Minimum Age:
- 18
- Spaces Left:
- 10 of 20
Saturday, December 21, 2019
Family Hike: Agua Chinon
Enjoy an early evening family hike in Agua Chinon, part of the Irvine Ranch Natural Landmarks. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve. The hike will average 3 miles […]
- Date:
- Sat, 12/21/2019
- Time:
- 3:00 PM - 5:00 PM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 8
- Family Friendly:
- Yes
- Spaces Left:
- 7 of 25
