You'll always find plenty of things to do in Mountain View, CA and the Bay Area throughout the year, but the summer is an especially fun time in Silicon Valley. Plan your summer stay in Northern California to include our five favorite activities and things to do.Shoreline Lake Park & Amphitheatre – Soak in the sun while relaxing on the scenic lake with a day of sailing, kayaking, windsurfing, standup paddling, and more from the boathouse. The park offers tons of open space, a wildlife and recreation area, and—of course—mountain views. At night, head to the adjacent amphitheater for outdoor concerts and special summer events.Rancho San Antonio County Park & Preserve – This must-visit outdoor oasis has nearly 4,000 acres of open space, plus a 165-acre park for the ultimate in summer recreation. Hiking, biking, nature walking, and horse riding along 24 miles of trails are just a few of the things visitors love to do.Boomerang Bay & California's Great America – Beat the heat at Santa Clara's favorite waterpark on slides, lagoons, lazy rivers, and the Screamin' Wombat, a twist-and-turn-filled slide that takes you on a three-story fall. Prefer a day on coasters? The adjacent California's Great America is the Bay Area's destination for thrills and theme park fun. Best of all, one ticket gets you into both parks.Purisima Creek Redwoods Preserve – Take a day trip to Half Moon Bay and the slopes of the Santa Cruz Mountains for more than 4,700 acres of stunning nature, including Purisima Creek Canyon where you'll find coast redwoods, the tallest trees in the world, a rushing creek, and beautiful preserves.Happy Hollow Park & Zoo – Comprised of a 16-acre zoo and an amusement park, Happy Hollow is the perfect way to spend a summer day with kids in Mountain View. Get close to the animals at the petting zoo, take a ride at Giggle Grove, watch a show at the puppet theater, and much more.Explore other fun things to do near Hotel Strata, and stay close to the best the area has to offer.