Discover the best things to do in Simi Valley, California with Teresa’s Simi Valley Itinerary. Explore top attractions, local restaurants, hiking trails, parks, and hidden gems — all in one easy-to-use travel map. Whether you’re planning a weekend getaway, day trip, or family vacation, this Simi Valley itinerary highlights must-see spots like the Ronald Reagan Presidential Library, Corriganville Park, and nearby scenic drives.