BUILD A HABITAT, JUNE 16
Santa Rosa: Help build a wildlife habitat structure in the Laguna de Santa Rosa, 9 a.m.- 1 p.m. Meet at the Laguna Environmental Center, 900 Sanford Road, then carpool to the Joe Rodota Trail for a naturalist-led 1-mile walk. $10, registration required at lagunafoundation.org. Call 707-527-9277 ext. 110.
PADDLEBOARDING, JUNE 16
Santa Rosa: Learn stand-up paddleboarding, 9-11 a.m. at the Spring Lake Regional Park swimming lagoon, 393 Violetti Road. $65, registration required. Call 707-887-2452.
TALLEST TREES HIKE, JUNE 17
Santa Rosa: Learn about the natural and cultural history of redwood trees during a free, 2-3-mile family hike, 10-11:30 a.m. North Sonoma Mountain Regional Park and Open Space Preserve, 5297 Sonoma Mountain Road. Parking, $7. sonomacountyparks.org.
SUMMER SOLSTICE festivities, JUNE 21
Santa Rosa: Hike and make stained-glass art to celebrate the longest day of the year, 12-5 p.m. at the Museum on the Go and Mobile Discovery Center at Spring Lake Regional Park, 393 Violetti Road. Free. Parking, $7. 707-539-2865.
WILDFIRE ECOLOGY HIKE, JUNE 23
Santa Rosa: Naturalist-led, round trip 7-mile strenuous hike into the southern section of Hood Mountain Regional Park that burned in the Nuns fire in October, 9 a.m.-2 p.m. Bring water and lunch. Sturdy shoes, sunscreen and hat recommended. Meet in the upper parking lot at 1450 Pythian Road. Carpooling is recommended. Parking, $7. Advanced reservation required. sonomacounty parks.org
TRAIL BUILDING, JUNE 22-24
Windsor: Spend a day or camp overnight and spend a weekend with Sonoma County Regional Parks staff and Volunteers for Outdoors California rerouting the Canyon Trail, repaving trail treads and improving drainage at Shiloh Ranch Regional Park, 5750 Faught Road starting 5:30 p.m. June 22. Tools, gloves, instructions and food provided. Free camping for volunteers during the event, registration required. No trail building experience needed. sonomacountyparks.org
BIKER CHICKS, JUNE 23
Santa Rosa: The Sonoma County Bicycle Coalition’s Biker Chicks’ June ride starts 10 a.m. Saturday at Breakaway Bikes, 4235 Montgomery Drive. Choose a 17- or 23-mile ride. bikesonoma.org
STORY WALK, JUNE 24
Gualala: Families with young children take a guided walk down a scenic coastal path with stops to read a bilingual story about a family of whales called Papa’s Song every half hour between 10 a.m. and noon and enjoy kids’ crafts at Gualala Point Regional Park, 42401 state Route 1. Parking, $7. sonomacountyparks.org
PUEBLO DAY, JUNE 24
Sonoma: Commemorate the 1835 founding of Pueblo de Sonoma 11 a.m.-3 p.m. at the Sonoma Barracks at Sonoma State Historic Park, 36 Spain St. Watch a cooking and wool spinning demonstration. Free. Call 707-938-9560 or visit parks.ca.gov./sonomashp
HIKE REGISTRATION, JULY 4
Kenwood: Register now for Bill and Dave’s Hikes and Team Sugarloaf’s July 4 Fireworks Hike to the summit of Bald Mountain at Sugarloaf Ridge State Park, 2605 Adobe Canyon Road. 6:45-11 p.m. The strenuous 6.5-mile roundtrip hike (90 minutes each way) provides a view of 18 fireworks displays in the Bay Area from Windsor to San Francisco and Berkeley and Oakland. $50 for adults, $10 for ages 12-17. Not recommended for under 12. Space is limited and expected to sell out. Proceeds benefit the park. sugarloafpark.org