What are some popular outdoor activities near San Mateo?

Some popular nature excursions near San Mateo include Seal Point Park of Bair Island State Marine Park, renowned for kayaking and birdwatching. The closest mountain parks outside of San Mateo are the Purisima Creek Redwoods Open Space Preserve and Huddart Park in Woodside, both of which offer miles of forested hiking and mountain biking trails. You can also explore different options for camping near San Mateo on Hipcamp.