Restaurants Mangosteen Opens in Downtown Walnut Creek August 7, 2018 4:00 pm 1518 Bonanza St, Walnut Creek Mangosteen, a new Vietnamese restaurant from the owners of La Sen Bistro opened the other day in downtown Walnut Creek where Kanishka’s used to be. Check out their menu here. Featured Previous Post Anytime Fitness Coming to Orinda Theatre Square Next Post Gourmet Gallop in Downtown Walnut Creek August 9th