Oregon Park Reservations are Open April 15, 2021 Reservations for day-use areas in certain state parks will open April 15 between 6:00 a.m. and 9:00 a.m. Stays at these parks begin on May 1. Group size for permits is limited to 25 people in each open area. Typically, visitor limits are set at 50 – 200 people, but COVID restrictions will be in place. To find out more, or see brochures for the parks in the Oregon State system, visit their website. Coast Group Facility reservations