This public trail easement passes through some great wildflower habitats including serpentine soil that hosts some unusual species. It’s also one of the best places to see some great birds, including grasshopper sparrows, horned larks, and lazuli buntings. This walk is for adults. We request that no animals (except service animals) attend. Heavy rain may cancel. If questionable weather, call (415) 893-9527 on the morning of the walk for a recorded message to see if the walk is cancelled. David Herlocker will lead. Questions: Contact David at (415) 893-9508 or DHerlocker@marincounty.org. Meet at the gate to Loma Alta Fire Rd on Lucas Valley Rd in San Rafael. DIRECTIONS: From Hwy 101 in San Rafael, take exit 456 for Lucas Valley Rd west approximately 4 miles. Look for the big rock and roadside parking. The gate is on the south side (or left) of Lucas Valley Rd.