Planning a trip to a U.S. National Park in 2025? Whether you're aiming to catch a sunrise at Haleakalā or hike the iconic Half Dome, many popular parks now require specific permits for certain activities. In this guide, we break down the most common timed entry, ticketed entry, and lottery permit systems across U.S. National Parks. Learn how to navigate park-specific reservations for single-day adventures, scenic viewpoints, and challenging hikes. Stay ahead of the crowds with our 2025 National Park Permit Calendar and make sure you're prepared for your next adventure!

Discover the key dates, exclusive fee-free days, and essential strategies for securing your spot in nature. Uncover the reservation requirements for top parks like Arches, Glacier, and Rocky Mountain, and learn expert hacks to navigate the system effortlessly. Don't miss out on your dream park year – read now for a seamless and unforgettable National Park experience!