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Date From: September 1, 2026
Date To: September 30, 2026

  • Explorer Hike: Redwood Ramble

    Purisima Creek Redwoods Preserve CJPH+XRR, Half Moon Bay, CA, United States
    Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Visit the beautiful redwoods and verdant vegetation of the lower portion of Purisima Creek Trail with Docent Naturalists Nick Yatsko, Kate Bauer, and Nancy Weintraub. You'll enjoy a moderately-paced out-and-back hike under the canopy of these second-growth trees Read More »
  • Scenic Aerobic Hike

    Purisima Creek Redwoods Preserve CJPH+XRR, Half Moon Bay, CA, United States
    Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Join Docent Naturalists Lindsay Joye, Fran Keeler, Inga Buyse, and Nick Yatsko for a moderately-paced, exercise-focused hike beneath the redwoods along the Purisima Creek, Grabtown Gulch, and Borden Hatch Mill trails. This route encompasses 1,400 feet of elevation Read More »
  • Arachnophilia!

    Monte Bello Preserve 4301 Page Mill Road, Los Altos, CA, United States
    Midpen guided activities are led by trained volunteer docent naturalists. All are welcome.Explore the fascinating world of arachnids on this night hike with Docent Naturalists Jack Owicki, Debbi Brusco, Vivian Neou, Ray Curiel, and Annette Herz. Will a tarantula will cross your path as you search for timid arachnids like Read More »
  • Cool Canopy Climb

    Purisima Creek Redwoods Preserve CJPH+XRR, Half Moon Bay, CA, United States
    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 »
  • Trail Trek Thursday

    Purisima Creek Redwoods Preserve CJPH+XRR, Half Moon Bay, CA, United States
    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 »
  • What’s in a Name?

    El Corte de Madera Creek Preserve CM4W+98, Redwood City, CA, United States
    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 »
  • Mid-Autumn Festival Moon Hike 举头望明月 · 中秋登山赏月

    Russian Ridge Preserve 3901 Alpine Road, La Honda, CA, United States
    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 »