New York State Parks has announced that they will begin accepting same-day reservations on May 15, 2021.
"New York State Park Campgrounds ‑ Effective May 15 ‑ Columbus Day 2021: Same-day reservations will be allowed until 3pm on day of arrival; this apples to campsites only. Reservations can be made online or through the call center. Walk-ins will not be permitted.This policy excludes DEC facilities."
This is new I think, as all year the reservation system has been clogged up because of Covid advance planning by everyone IMO.
Still no walk-ins, but hopefully this will open lots of sites which might have gone empty because the reservation-holders never showed up.