Every kid loves a birthday party! And we have a whole lot of information on different theme parties, party guides, and even party crafts. Sometimes, though, you just need a great park for the perfect party—a playground, grassy areas, picnic tables, a grill, and maybe a bounce house or piñata. These 10 Valley parks are all great for kids' birthday parties, all have bathrooms available (check the hours), and all are a bit different. Do you want shade? A fenced playground? Water features? Lots of grass? Plenty of table space? There is something here for you.