All events specify a minimum age for participation.
- Eight (8) is the minimum age for most Reserve events.
- Some events require participants to be ages 12 & up.
- FAMILY events welcome children aged 6 & up.
- Refer to specific event listing for details.
- Be sure to review our age limit policy.
Pre-registration required for all programs.
- Contact us for large groups or to arrange a special group outing.
- Your registration enables us to contact you about program changes or cancellations. Please see our policy on Cancellations and Refunds.
- All visitors to The Reserve must present a signed release waiver upon entry to the property. Families may submit a single form, as long as all entrants are identified on the form. Waivers are also available at the event.
Sunset, Moonrise Hike
Experience life out on The Nature Reserve during that magical time of the evening where shadows become long and the sky fades from fiery orange to a soft blue. Be on the lookout for wildlife as the day comes to end and the evening just begins.
Interpretation Level: Medium
Difficulty Level: Moderate
Trail Length: 2 miles (1 mile each way)
Ages: 8 and up
| When: | March 25, 2024, 7:30 pm – 9:30 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 25 |
Volunteer Orientation and Training
Please join us for Volunteer Orientation and Training!
This fun and informational orientation is the first step in joining us as an official Nature Reserve Volunteer. Learn about The Nature Reserve's history, philosophy and mission, as well as skills for working with the public. Meet other volunteers and learn how you can help preserve Nature Reserve lands through conservation and education.
Ages: Adult, 18 and up
Thank you for expressing interest in volunteering for The Nature Reserve at Rancho Mission Viejo.
| When: | July 8, 2026, 7:00 pm – 8:30 pm |
|---|---|
| Where: | Ranch House in Rancho Mission Viejo |
| Information: | Available Spaces: 21 (out of 25) |
Astronomy Night
Enjoy an evening outdoors, as you gaze into the night sky, learn the constellations, and peer through the telescopes of our guest astronomers. The Nature Reserve astronomers are all volunteers who enthusiastically share their telescopes and expert sky knowledge with you. (What to bring: warm clothing, flashlight with red cellophane/lens to reduce light pollution, binoculars, optional beach chair.)
Interpretation Level: High
Difficulty Level: Easy
Ages: 8 and up
| When: | July 18, 2026, 9:00 pm – 11:00 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 14 (out of 30) |
Colorful Critters & Crafts! at Ladera Ranch Library
Camouflage, warning, or just pretending, animals use colors in so many ways! Meet live animals and explore hands-on activities to see how animals’ colors help them in their habitat.
The program is open house style with self-guided and naturalist-guided hands-on activities, crafts and live animals. Registration not required, walk-ins welcome. Please sign-in upon arrival. Please arrive within 30 minutes of program start time to enjoy all of the activities. Program activities will end promptly at the event end time.
The program activities are geared for children ages 4 and up. All children must be accompanied and supervised by an adult at all times.
| When: | July 20, 2026, 10:00 am – 11:00 am |
|---|---|
| Where: | Ladera Ranch Library |
| Information: | Available Spaces: Unlimited |
"Hiking 101" Interpretive Hike at Ranch Camp
Join us at The Nature House at Ranch Camp in Rancho Mission Viejo for Hiking 101! We'll start by learning about the "Ten Essentials" you should have when hiking, trail tips, and make a minimalist first aid kit! Then head out on a guided hike along the trails around Ranch Camp, to learn more about the local plants and animals.
Interpretation Level: High
Difficulty Level: Easy - Moderate
Trail Length: 1.2 miles
Ages: 6 and up
| When: | July 25, 2026, 9:00 am – 10:30 am |
|---|---|
| Where: | Ranch Camp, Rienda |
| Information: | Available Spaces: 16 (out of 25) |
Nature Buddies! at Ladera Ranch Library
Nature buddies are all around us as woodpeckers gather acorns and butterflies visit flowers. Spend a morning being a nature buddy to understand how nature works together!
The program is open house style with self-guided and naturalist-guided hands-on activities, crafts and live animals. Registration not required, walk-ins welcome. Please sign-in upon arrival. Please arrive within 30 minutes of program start time to enjoy all of the activities. Program activities will end promptly at the event end time.
The program activities are geared for children ages 4 and up. All children must be accompanied and supervised by an adult at all times.
| When: | July 27, 2026, 10:00 am – 11:00 am |
|---|---|
| Where: | Ladera Ranch Library |
| Information: | Available Spaces: Unlimited |
Sunset, Moonrise Hike
Experience life out on The Nature Reserve during that magical time of the evening where shadows become long and the sky fades from fiery orange to a soft blue. Watch the moonrise from the top of North Ridge and be on the lookout for wildlife as the day comes to end and the evening just begins.
Interpretation Level: Medium
Difficulty Level: Moderate
Trail Length: 2 miles
Ages: 8 and up
| When: | July 29, 2026, 7:30 pm – 9:30 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 15 (out of 25) |
Summer Nature Day at Ranch Camp
Celebrate the final days of summer at Summer Nature Day, a drop-off program for kids. Campers will enjoy outdoor play with friends at Boulder Pond & Playground, explore nature-based activities, and meet live animals. Along with scheduled activities, they’ll have supervised free time for games, arts and crafts, and summer fun.
Sign up for both weeks and get a discount on the second week!
Time: 9:00 am - 12:00 pm (Drop off begins 8:30 am)
Ages: 5-11
Please read our Summer Nature Days Cancellation & Refund Policy.
Campers must be registered or on the waitlist by 4:00 pm on Tuesday, August 4.
Summer Nature Day staff are the same amazing outdoor educators that lead and teach our school field trip programs and summer camp. Each staff member is a professional educator who enjoys working with kids, and sharing their love for the outdoors. Each staff member is also CPR/First Aid certified and background checked. For more information, check out our individual bios.
| When: | August 5, 2026, 9:00 am – 12:00 pm |
|---|---|
| Where: | Ranch Camp, Rienda |
| Information: | Available Spaces: 39 (out of 40) |
Summer Nature Day at Ranch Camp
Celebrate the final days of summer at Summer Nature Day, a drop-off program for kids. Campers will enjoy outdoor play with friends at Boulder Pond & Playground, explore nature-based activities, and meet live animals. Along with scheduled activities, they’ll have supervised free time for games, arts and crafts, and summer fun.
Sign up for both weeks and get a discount on the second week!
Time: 9:00 am - 12:00 pm (Drop off begins 8:30 am)
Ages: 5-11
Please read our Summer Nature Days Cancellation & Refund Policy.
Campers must be registered or on the waitlist by 4:00 pm on Tuesday, August 4.
Summer Nature Day staff are the same amazing outdoor educators that lead and teach our school field trip programs and summer camp. Each staff member is a professional educator who enjoys working with kids, and sharing their love for the outdoors. Each staff member is also CPR/First Aid certified and background checked. For more information, check out our individual bios.
| When: | August 12, 2026, 9:00 am – 12:00 pm |
|---|---|
| Where: | Ranch Camp, Rienda |
| Information: | Available Spaces: 38 (out of 40) |
Partial Lunar Eclipse Viewing Event
Join us on this special night to view a partial lunar eclipse. The dark skies above The Nature Reserve provide an ideal spot to view this special celestial occasion. Astronomers from The Orange County Astronomers will have telescopes available for viewing. There will also be binoculars to borrow.
We'll also have space themed snacks and drinks, as well as lunar crafts and activities for kids. Bring blankets and chairs for sitting on the grass and enjoying the evening.
Interpretation Level: High
Difficulty Level: Easy
Ages: 8 and up
Please note: participants must be registered or on the wait list by 4:00 pm on Tuesday, August 26.
| When: | August 27, 2026, 7:30 pm – 9:30 pm |
|---|---|
| Where: | The Nature Reserve at Rancho Mission Viejo Headquarters |
| Information: | Available Spaces: 34 |
Volunteer Orientation and Training
Please join us for Volunteer Orientation and Training!
This fun and informational orientation is the first step in joining us as an official Nature Reserve Volunteer. Learn about The Nature Reserve's history, philosophy and mission, as well as skills for working with the public. Meet other volunteers and learn how you can help preserve Nature Reserve lands through conservation and education.
Ages: Adult, 18 and up
Thank you for expressing interest in volunteering for The Nature Reserve at Rancho Mission Viejo.
| When: | August 29, 2026, 9:00 am – 10:30 am |
|---|---|
| Where: | Ranch House in Rancho Mission Viejo |
| Information: | Available Spaces: 25 |
Reading with Reptiles
Join Rosy the snake and Buckwheat the tortoise for a fun morning at The Nature House. We'll be reading a nature-themed book, playing games, and exploring the Nature House at Ranch Camp.
Ages: All (Recommended 3-5) w/accompanying adult
| When: | September 1, 2026, 9:00 am – 9:45 am |
|---|---|
| Where: | Ranch Camp, Rienda |
| Information: | Available Spaces: 23 (out of 25) |
Presentation: Tarantulas and Other Many-Legged Critters of the Night
Join us for a family-friendly presentation with guest speaker, Bob Allen, for an evening of photographs, stories, and specimens of tarantulas, other spiders, and night-time insects of Orange County.
Ages: 8 and up
| When: | September 9, 2026, 7:00 pm – 8:30 pm |
|---|---|
| Where: | Guest House in Rancho Mission Viejo |
| Information: | Available Spaces: 65 |
Tarantulas and Other Many-Legged Critters of the Night Walk
Join guest leader, Bob Allen, to get up close and personal with tarantulas and other arthropods! We'll be on the lookout for male tarantulas making their annual late summer search for females. We will also look for trap-door spiders and other critters of the evening.
This event will partially take place alongside a private road overlooking oak groves, grasslands and more. Participants will initially drive on the road from site to site to look for tarantulas and other many-legged critters and later take a stroll on a trail to view them.
Interpretation Level: High
Difficulty Level: Moderate
Ages: 8 and up
Please note: participants must be registered or on the wait list by 4:00 pm on Friday, September 5.
| When: | September 12, 2026, 6:00 pm – 8:00 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 20 |
Volunteer Orientation and Training
Please join us for Volunteer Orientation and Training!
This fun and informational orientation is the first step in joining us as an official Nature Reserve Volunteer. Learn about The Nature Reserve's history, philosophy and mission, as well as skills for working with the public. Meet other volunteers and learn how you can help preserve Nature Reserve lands through conservation and education.
Ages: Adult, 18 and up
Thank you for expressing interest in volunteering for The Nature Reserve at Rancho Mission Viejo.
| When: | September 16, 2026, 7:00 pm – 8:30 pm |
|---|---|
| Where: | Ranch House in Rancho Mission Viejo |
| Information: | Available Spaces: 25 |
Call of the Wild Night Walk
Hoots, howls and other cries in the night are what we'll be listening for on this nighttime adventure on The Nature Reserve. Enjoy a night hike, as we learn about nocturnal animals and listen for the calls of the wild.
Interpretation Level: High
Difficulty Level: Easy-moderate
Ages: 8 and up
| When: | September 19, 2026, 7:00 pm – 9:00 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 20 |
Astronomy Night
Enjoy an evening outdoors, as you gaze into the night sky, learn the constellations, and peer through the telescopes of our guest astronomers. The Nature Reserve astronomers are all volunteers who enthusiastically share their telescopes and expert sky knowledge with you. (What to bring: warm clothing, flashlight with red cellophane/lens to reduce light pollution, binoculars, optional beach chair.)
Interpretation Level: High
Difficulty Level: Easy
Ages: 8 and up
| When: | October 10, 2026, 7:30 pm – 9:30 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 30 |
Astronomy Night
Enjoy an evening outdoors, as you gaze into the night sky, learn the constellations, and peer through the telescopes of our guest astronomers. The Nature Reserve astronomers are all volunteers who enthusiastically share their telescopes and expert sky knowledge with you. (What to bring: warm clothing, flashlight with red cellophane/lens to reduce light pollution, binoculars, optional beach chair.)
Interpretation Level: High
Difficulty Level: Easy
Ages: 8 and up
| When: | November 7, 2026, 7:00 pm – 9:00 pm |
|---|---|
| Where: | The Richard and Donna O'Neill Conservancy |
| Information: | Available Spaces: 30 |
Volunteer Orientation and Training
Please join us for Volunteer Orientation and Training!
This fun and informational orientation is the first step in joining us as an official Nature Reserve Volunteer. Learn about The Nature Reserve's history, philosophy and mission, as well as skills for working with the public. Meet other volunteers and learn how you can help preserve Nature Reserve lands through conservation and education.
Ages: Adult, 18 and up
Thank you for expressing interest in volunteering for The Nature Reserve at Rancho Mission Viejo.
| When: | November 18, 2026, 7:00 pm – 8:30 pm |
|---|---|
| Where: | Ranch House in Rancho Mission Viejo |
| Information: | Available Spaces: 25 |