Castle Rock Falls isn't just spectacular to look at — it sounds pretty special as well. Find somewhere to sit, shut your eyes and listen to the water splashing down.
You're spoiled for sightseeing choice in Los Gatos. Castle Rock Falls is an ideal place to kick off here, but there are many other fine sights to check out. Mountain Winery, Hakone Gardens, and Villa Montalvo are near the cascade of water and will fill in your day nicely.