53. National Park Reservations: Which Parks Require Timed Entry in 2025?

The days of spontaneously driving into Americaā€™s most popular national parks are largely behind us. As visitor numbers continue to surge, the National Park Service (NPS) has implemented reservation systems to manage traffic, protect wildlife, and preserve the visitor experience. For 2025, knowing which gates require a pre-booked ticket is the difference between a dream vacation and being turned away at the entrance station.

This guide details the specific reservation requirements for 2025, focusing on the parks with the strictest policies.

Yosemite National Park: The Return of the Reservation

Yosemite has fluctuated its entry policies over the last few years, but for 2025, the park has confirmed a robust reservation system. This is one of the most critical updates for travelers to note, as Yosemite turns away thousands of unprepared visitors every season.

The 2025 Policy: Reservations are required to drive into or through Yosemite National Park during peak hours (5:00 AM to 4:00 PM) for specific dates.

  • Weekends and Holidays: Reservations are required on Saturdays, Sundays, and holidays (like Memorial Day and Juneteenth) starting in early spring (typically April or May).
  • Daily Requirements: During the peak summer season (usually from late June through mid-August), reservations are required every day of the week.
  • Late Season: The requirement usually reverts to weekends-only for late August through October.

How to Book: Tickets are released on Recreation.gov. Most spots become available months in advance, but a small batch is released two days prior to the reservation date at 8:00 AM Pacific Time. These last-minute tickets sell out almost instantly.

Zion National Park: Hiking Permits vs. Entry

The snippet above warns about Zion, and for good reason. While Zion National Park does not currently require a reservation for general vehicle entry into the park, it enforces a strict lottery system for its most famous hike.

Angels Landing Permit: If you plan to hike Angels Landing, you must have a permit. This was implemented due to dangerous overcrowding on the narrow chains section of the trail.

  • The Seasonal Lottery: You can apply roughly two to three months in advance for specific seasonal windows.
  • The Day-Before Lottery: If you miss the seasonal window, you can apply for a permit the day before your planned hike between 12:01 AM and 3:00 PM Mountain Time.

The Shuttle Factor: While you donā€™t need a reservation to enter the park, private vehicles are banned from the Zion Canyon Scenic Drive during most of the year. You must use the free park shuttle. Lines for the shuttle can be long, so arriving at the visitor center before 8:00 AM is highly recommended.

Rocky Mountain National Park: The Two-Pass System

Rocky Mountain National Park (RMNP) in Colorado utilizes one of the most complex timed-entry systems. It is crucial to understand the difference between the two types of passes available.

The system typically runs from late May through mid-October.

  1. Park Access + Bear Lake Road: This is the ā€œall-accessā€ pass. It includes entry to the famous Bear Lake Corridor, which houses the parkā€™s most popular alpine lakes (Bear, Nymph, Dream, and Emerald). Reservations are required between 5:00 AM and 6:00 PM.
  2. Park Access (No Bear Lake): This pass allows you to visit the rest of the park (like Trail Ridge Road) but explicitly excludes the Bear Lake corridor. Reservations for this pass usually start at 9:00 AM.

If you arrive without a reservation, you cannot enter the park until after the timed entry windows close (usually after 2:00 PM or 3:00 PM depending on the pass type).

Arches National Park: Timed Entry Pilot

Arches National Park in Utah continues its timed entry program to mitigate traffic backups that used to spill out onto Highway 191.

  • The Window: Reservations are required for vehicle entry daily from April 1 through October 31.
  • The Hours: The requirement is in effect from 7:00 AM to 4:00 PM.
  • Strategy: If you cannot secure a permit, you can enter the park before 7:00 AM or after 4:00 PM. Entering early is generally better for photography and avoiding desert heat.

Glacier National Park: Vehicle Reservations

Glacier National Park in Montana requires vehicle reservations for three specific areas of the park. You cannot simply buy a pass at the gate and drive to these locations during peak hours (6:00 AM to 3:00 PM).

  1. Going-to-the-Sun Road: The main thoroughfare connecting the east and west sides of the park.
  2. North Fork: A remote area leading to Bowman and Kintla Lakes.
  3. Many Glacier: A popular valley on the east side known for bear sightings and the Grinnell Glacier trail.

Reservations for Glacier are valid for one day only. A portion of reservations is released approximately 120 days in advance, with the remaining spots released at 7:00 PM Mountain Time the day before.

Mount Rainier National Park: Managing the Corridors

Following a trial period, Mount Rainier in Washington generally requires reservations for its two most popular entrances during the summer season (late May through early September).

  • Paradise Corridor: Required for vehicles entering via the Nisqually or Stevens Canyon entrances.
  • Sunrise Corridor: Required for vehicles entering via the White River entrance.
  • Timing: Reservations apply between 7:00 AM and 3:00 PM.

Acadia and Haleakalā: Sunrise Reservations

Some parks do not restrict general entry but require reservations for specific high-traffic events.

  • Acadia National Park (Maine): You need a specific vehicle reservation to drive up Cadillac Mountain Road. This applies to both sunrise slots and daytime slots. You cannot drive up this road without one, even if you are already inside the park.
  • Haleakalā National Park (Hawaii): A reservation is strictly required for personal vehicles entering the Summit District between 3:00 AM and 7:00 AM to view the sunrise.

Strategies for Securing Your Spot

Navigating these systems can be stressful. Follow these steps to maximize your chances of getting the dates you want.

Create a Recreation.gov Account Early All these reservations are handled through Recreation.gov. Create your account and add your credit card information before the release date. When thousands of people are clicking at the same second, you do not want to be stuck typing in your billing address.

Know the Release Windows

  • The 6-Month Rolling Window: Many parks release campsites 6 months out.
  • The Monthly Block: Parks like Yosemite and Arches often release entry tickets in monthly blocks several months in advance.
  • The 24-Hour Drop: Almost every park holds back a reserve of tickets for last-minute travelers. These are usually released at 8:00 AM or 7:00 PM local park time the day before entry.

Have a Backup Plan If you miss out on a reservation, look for commercial tour operators. If you book a guided bus tour, horseback ride, or boat rental inside the park, that commercial ticket often serves as your entry reservation.

Frequently Asked Questions

Does the ā€œAmerica the Beautifulā€ Annual Pass cover reservation fees? No. The annual pass covers your entrance fee (the cost to be in the park). It does not cover the reservation service fee charged by Recreation.gov, which is typically a non-refundable $2.00 to $6.00 processing fee.

Can I buy a reservation at the park entrance? No. Park rangers at the entrance booths cannot sell you a timed-entry reservation. You must book it online or via the call center before you arrive at the gate. Cellular service is often non-existent at park gates, so do this before you leave your hotel.

What happens if I arrive late for my time slot? Most parks offer a window for entry (e.g., if your slot is 8:00 AM, you can enter between 8:00 AM and 10:00 AM). If you arrive after your slot closes, you may be denied entry. However, once you are inside the park, you can usually stay as long as you like.

Are reservations required for drop-offs? Generally, yes. Even if you are just dropping someone off at a trailhead, your vehicle is entering the restricted area during restricted hours. Check specific park rules, but assume you need a reservation to pass the booth.