Enjoying the gorgeous Arizona weather is easy to do in Surprise! The Surprise Aquatic Center is an exciting water world offering a competition pool, vortex whirlpool, diving well and multiple twirling slides. The White Tank Mountain Regional Park covers 30,000 acres and is the largest park in Maricopa County. The park has over 26 miles of hiking trails and visitors enjoy camping, mountain biking, horseback riding and picnics at the ramadas. Boaters delight in the close proximity to Lake Pleasant Regional Park which is the largest lake in Phoenix area covering over 10,000 acres of water surface. Lake Pleasant has two marinas, boat rentals and lakeside restaurants.