Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Sabra Abraham, Lindsay Joye, and Nancy Weintraub on this challenging loop in the redwoods. While the valley might still be dry and toasty, this moderately-paced hike will be cool and shady. You'll trek through the Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Spend an early autumn day on the shady and cool Purisima Creek Trail with Docent Naturalists Nick Yatsko, Nancy Weintraub, and Catherine Xun. You’ll climb and descend on a moderately-paced loop hike through second-growth redwoods on the Grabtown Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Frances Reneau and Helena Cohen on a leisurely-paced hike from the Methuselah Tree to the tafoni sandstone formation and back along the Fir, Tafoni, Sierra Morena, and other trails. You'll learn about binomial nomenclature (woohoo!) Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.On the night of autumn's fullest moon, join Docent Naturalists Catherine Xun, Mari Aldridge, Jianfei Hu, and Naureen Moon for a moderately-paced hike to Borel Hill to watch the moon rise in the east. Wherever you stand, you Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Grab your mountain bike and join Docent Naturalists Linda Wegner and Steve Crawford on an intermediate ride on which you’ll also learn about the history of this popular preserve. Your route covers several trails, including the Toyon, Seven Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Explore large-scale habitat restoration in the San Gregorio Creek Watershed with Docent Naturalists Susan Dunn, Nancy Weintraub, and Catherine Xun. This vigorously-paced hike will follow the Cielo Trail to Vista Point for a view of the Pacific Ocean. Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Greg Azevedo, Gordy Ferguson, and Jumana Latif for a leisurely-paced hike at a limited-access area. You’ll travel in a single loop, traversing grasslands, mixed evergreen forest, and chaparral. It includes one uphill section with a Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.As the day winds down, head out on this family-friendly, leisurely-paced hike at Alpine Pond to discover who calls this habitat home in the fall. Docent Naturalists Roberta and Jaime Cavazos and Melissa Hero will guide you through Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Fran Keeler, Mary Brunkhorst, Lindsay Joye, and Inga Buyse for a moderately-paced, exercise-focused hike on trails with beautiful scenery. You’ll meet at the Picchetti Ranch Parking Area, carpool to the Waterwheel Creek trailhead, and hike Read More »

Join expert EV docents for an exploration of the science and nature of the Palo Alto Baylands. Read More »

Join expert EV docents for an exploration of the science and nature of the Palo Alto Baylands. Read More »

Join the EV for a fun exploration of local open space, led by our environmental educators. Intended for all ages 6 and up. Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Liza Coe, Catherine Xun, Dave Kocsis, Naureen Moon, NASA scientists, and local amateur astronomers for an evening observing the night sky. Neptune and Saturn will be visible (weather permitting). You'll begin with a close-up look Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Roger Wigenstam, Peter Maxwell, An Scharlaken, and Steve Crawford for a scenic and aerobic ride exploring three preserves. You’ll start in Saratoga Gap, pedal through Long Ridge and even enter Skyline Ridge, going as far Read More »

Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Hike one of the peninsula’s iconic peaks while appreciating the twilight on an evening excursion with Docent Naturalists Dave Kocsis, Lindsay Joye, Padma Satish, and Mallik K. You’ll ramble the Canyon Trail and climb the scenic Bella Vista Read More »