All remaining reservable summer inventory, opening on Recreation.gov on April 25 for trip dates from June 1 to October 10.
Mount Rainier's own wilderness permit page says all remaining reservable inventory becomes available on Recreation.gov starting April 25, for camps on dates between June 1 and October 10, with reservations made at least two days before the trip. About two thirds of summer backpacking and climbing permits are reservable in advance.
Updated , checked by hand against the target's own page.
No upcoming date is published yet. A watch here alerts you only once a date is recorded on this page.
More openings to watch in Washington
Watched from nps.gov, the target's own public page — not a reservation system we poll.