On April 17th, the back loops of Wawona Campground, and the Wawona horse camp will open for the season, and the entire campground will be available only by advance reservation (through October 6th). On Wednesday, April 17th, the Hodgdon Meadow group campsites open for the season, and the entire Hodgdon Meadow campground will be available only by advance reservation through October 14.