Top San Francisco Adventure Tours in 2026

Despite its many hills, San Francisco is a fun city to explore by bike, and this 24-hour bicycle rental allows you to see it at your own pace on a self-guided tour. Pick up your bike at a convenient Fishermans Wharf location, then go where you like, perhaps riding through the city and across the Golden Gate Bridge to Sausalito and Tiburon. Your rental includes maps and use of equipment such as helmet and lock.

California’s Sierra Nevada offers stunning landscapes and natural wonders. This full-day tour from San Francisco takes you to Sequoia National Park, home to the majestic giant sequoias, some of the largest trees on Earth. Your knowledgeable guide shares insights into the park's rich history as you navigate through the towering forests. Venture underground to explore Crystal Cave, a marble cavern adorned with impressive stalactites and stalagmites. With comfortable transportation and a day filled with adventure, this tour is ideal for nature enthusiasts and thrill-seekers alike. - Full-day tour from San Francisco to Sequoia National Park and Crystal Cave - Discover giant sequoias and learn about their history from an expert guide - Explore the stunning underground formations of Crystal Cave - Perfect for adventure seekers and nature lovers alike