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.
Search & Filter Activities
Saturday, October 14, 2017
CANCELLED due to Fire Weather: Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sat, 10/14/2017
- Time:
- 7:00 AM - 10:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Saturday, November 4, 2017
Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sat, 11/04/2017
- Time:
- 8:00 AM - 11:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Saturday, December 9, 2017
CANCELLED due to Fire Weather: Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sat, 12/09/2017
- Time:
- 8:00 AM - 11:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Sunday, February 18, 2018
Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sun, 02/18/2018
- Time:
- 8:00 AM - 11:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Sunday, March 18, 2018
Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sun, 03/18/2018
- Time:
- 7:00 AM - 10:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Saturday, April 14, 2018
Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sat, 04/14/2018
- Time:
- 7:00 AM - 10:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
Sunday, June 17, 2018
Cardio Hike: Limestone Canyon and The Sinks
Explore beautiful Limestone Canyon on this challenging fast-paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. Multiple steep climbs and descents are included. Enjoy views of Saddleback Peak, the Cleveland National Forest and the Sinks along the way.
Remember, this cardio hike is much faster than a walk, and features a 1,600-foot elevation change and up to 10 miles. Experienced cardio hikers, that can hike uphill at an average pace of 3.5-to-4 mph without stopping, are welcome. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land.
- Date:
- Sun, 06/17/2018
- Time:
- 7:00 AM - 10:00 AM
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 5
- Distance:
- 10 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration has closed.
