Mindful Walks

Join us every Sunday at 9 AM for a Mindful Walk , a guided journey designed to help you slow down, breathe deeply, and connect with nature on a deeper level. Led by a knowledgeable docent, this [...]

Historic Walking Tours

Want to find out everything there is to know about Old Town San Diego State Historic Park? Sign up for a walking tour to embark on a journey of discovery with one of experienced guides. Explore Calif [...]

Guided Walk to the Confluence

Join us for a guided walk (3.6 miles) to the breathtaking confluence of the Tuolumne and San Joaquin Rivers at Dos Rios. We'll explore how years of dedicated restoration efforts have reshaped this la [...]

Birding in the Oak Forest

Join us at Caswell Memorial State Park for a relaxing morning of birding in the majestic oak forest. The walk starts at 10:30 a.m. and will last 1.5 hours. On this 1-mile stroll we are likely to se [...]

Pond Loop Guided Walk

Join us for a 1.85-mile guided walk around the ox-bow pond! Explore, observe wildlife, and learn about restored floodplains of Dos Rios! Meet at the welcome center at 10:00 a.m.

New Years Hike

10:30 AM - 12:00 PM Start the new year out on the right foot - with your foot on the trail! Join us for our annual New Years Hike on Saturday, January 10th, 2026. We will meet at Silvercrest Pic [...]

Sandhills Tour

Hike around an ancient seafloor?! Yes please! On this 1.5 mile hike through the Santa Cruz Sandhills, we'll be meandering through sandy soils on the mountain top, about 800' above present-day sea le [...]

Pond Loop Plant Identification

Join an Interpreter for an easy 1.85 mi. walk around the pond and learn what plant species exist to create the natural habitat at Dos Rios. Various animal species rely on the diverse plant life to su [...]

Let's Find Fungi!

Join us for a walk to learn about the fascinating world of fungi! This is a slow, methodical walk designed for observation. We will spend some time crouched on the forest floor, uncovering mushrooms [...]

January Junior Rangers

Time : 10 - 11 am Location : Campfire Arena (south end of campground) Ages : 7-12 What to bring : a parent or guardian, drinking water, walking shoes, sun p [...]

Beaver Bend Birding

Come out and enjoy a guided birding walk at Dos Rios! Join us from 9:30 am- 11:30 am on a stroll through Beaver bend and back (3.5 miles) to explore the parks' diverse birdlife. Meet at the team Rama [...]

Let's Find Fungi!

Join us for a walk to learn about the fascinating world of fungi! This is a slow, methodical walk designed for observation. We will spend some time crouched on the forest floor, uncovering mushrooms [...]

STAR PARTY!

Stargazing at the Borrego Palm Canyon Campfire Center. Red flashlights preferred. Gaze in wonder at the utterly breathtaking expanse of the night sky. Learn about constellations, astronomy, and wi [...]

Birding in the Oak Forest

Join us at Caswell Memorial State Park for a relaxing morning of birding in the majestic oak forest. The walk starts at 10:30 a.m. and will last 1.5 hours. On this 1-mile stroll we are likely to se [...]

Birding along the Pond Loop

Join us for a Bird Walk along the Pond Loop Trail! The Modesto Children's Library staff will be hosting a library information and Flight Path migratory bird information table and accompanying Park In [...]

Junior Ranger Program: Owls!

Whoooo's ready to learn about Owls! Junior Rangers (ages 8 and up) join an Interpreter from 11 a.m.- 12 p.m. and explore the amazing adaptations that allow owls to fly silently and hunt in the dark [...]

Big Basin Plant Walk

10:00-12:00 Join us for a guided program about the native plants at Big Basin State Park. During this program, we will learn to identify a handful of native plants, and chat a bit about thei [...]

Monthly Campfire Program

Saturday, January 17th, 2026 | 5:30pm - 6:30pm Kick off the New Year by enjoying a warm campfire, songs, and a marshmallow roast at our monthly campfire program! This is an experience that’ [...]

Guided Walk to the Valley Oak Grove

Take a walk with an interpreter and uncover the secrets of California's largest native oak, Valley Oak tree. This guided 5-mile walk to the ancient Oak Grove at Dos Rios will dive deep into the uniq [...]

Birding in the Oak Forest

Join us at Caswell Memorial State Park for a relaxing morning of birding in the majestic oak forest. The walk starts at 10:30 a.m. and will last 1.5 hours. On this 1-mile stroll we are likely to se [...]

Let's Find Fungi!

Join us for a walk to learn about the fascinating world of fungi! This is a slow, methodical walk designed for observation. We will spend some time crouched on the forest floor, uncovering mushrooms [...]

Guided Walk to the Confluence

Join us for a 3.6-mile guided walk to where the Tuolumne and San Joaquin Rivers meet! Explore, observe wildlife, and learn about the restored floodplains of Dos Rios! Meet at the welcome center at 10 [...]

Auto Safari

Join us for an "Auto Safari" of the Tule Elk State Natural Reserve at 10:00am. The tour consists of a brief presentation on the history of the tule elk herd, followed by a tour of the visitor center, [...]

Monthly Nature Hike

Saturday, January 24th, 2026 | 12pm - 1:30pm Start off the new year with our hike that explores the lower Montini Preserve Trail! Experience history, nature, and community lead by a Park Interpre [...]

Tuolumne River Loop Guided Walk

Discover the incredible beauty of the Tuolumne River. Join our guided walk along the scenic Tuolumne River loop trail (about 2.5 miles) at Dos Rios to see nature's ultimate comeback story in action. [...]

Guided Pond Loop Trail

Join us for a 1.85-mile guided walk around the ox-bow pond! Explore, observe wildlife, and learn about the restored floodplains of Dos Rios! Meet at the welcome center at 10:00 a.m.

Let's Find Fungi!

Join us for a walk to learn about the fascinating world of fungi! This is a slow, methodical walk designed for observation. We will spend some time crouched on the forest floor, uncovering mushrooms [...]

Mt Tam Morning Broom Pull

At Bootjack from 9am to 12pm Join us for some volunteer habitat restoration work in Mount Tamalpais State Park, taking out invasive French broom (and picking up any stray litter while we're at i [...]

Mindful Walks

Join us every Sunday at 9 AM for a Mindful Walk , a guided journey designed to help you slow down, breathe deeply, and connect with nature on a deeper level. Led by a knowledgeable docent, this [...]