National Park Service
Travel & Local · National Park Service
National Park Service screenshots
Planning a national park trip usually means juggling a dozen browser tabs: one for maps, another for entrance fees, a third for whether the restrooms near a trailhead are open. The official National Park Service app, published by the National Park Service itself and released in February 2021, is an attempt to put all of that in one place, covering more than 420 NPS-managed sites.
It is a free download with no ads and no in-app purchases, which is worth noting given how much ground it covers. The install base sits above a million, and its 4.9 average from more than 35,000 ratings suggests a lot of people have found it useful. What interests me most is that it is built by the agency that runs the parks.
It is a planning and orientation companion for the National Park System, from famous destinations to smaller sites you may never have heard of. Whether that is enough depends on how you travel.
Maps and tours that work where the signal doesn't
The core of the app is interactive mapping. Each park gets detailed maps marked with points of interest, trails and the kind of on-the-ground information you want when you arrive. You can download park content ahead of time and use it without an internet connection. That single feature is probably the strongest argument for installing this before a trip rather than searching for things once you are there.
Alongside the maps are self-guided tours that walk you through a park's highlights. The format makes sense for visitors who want context without joining a scheduled group. You get the story behind what you are looking at and can move at your own pace.
There is also a Peak Finder that loads configuration specific to each park and shows peak elevations, which is a nice touch for anyone who likes to identify what they are looking at on the horizon. The app also fixes an Android Auto crash.
The practical details that make a visit run smoothly
A large part of what the app does is logistical. It gathers fee and pass information, operating hours and other essentials for planning a visit, so you can work out costs and timing before you commit to a route. Amenities are covered too: transportation options, dining, restrooms and similar services, which is the sort of thing that decides whether a stop works with kids or a tight schedule.
The Things to Do section broadens the picture beyond trails. It lists hiking, bus tours, museums and ranger programs, among other options, so a park you assumed was a half-day stop might turn out to have enough going on for a full one. News, alerts and events appear per park.
Park-specific details such as passport stamps and fees live in the same place, which keeps you from hunting through different sections for something small. None of this is glamorous, but it is the layer of a trip that causes the most friction when it is missing.
Keeping a record of where you've been
The Visits feature is the most distinctive part of the app. It scans the photos already on your phone to detect national park visits and then maps the parks you have been to. If you have years of trip photos sitting in an album, this turns them into a personal record of where you have been without any manual logging.
I like the idea because it asks nothing of you in advance. The app works from what you already have. For anyone who enjoys looking back at a map of past trips, or who wants a nudge toward sites they have not yet seen, that is a genuinely different reason to keep the app installed between trips.
The Park of the Day widget fits the same mood. It surfaces a different NPS-managed site each day, which is a low-effort way to discover places outside the well-known ones.
What you need before you set off
Getting started is mostly a matter of choosing where you are going. The app covers the full set of NPS-managed sites, so you can look up a park by name and find its maps, tours, amenities and planning details in one place. Since offline downloads are part of the design, the sensible routine is to pull down what you need while you still have a connection, whether that is at home or at a hotel the night before.
The Park of the Day widget requires an iOS device, which is worth knowing if you are on Android and expecting it.
There is no cost to try it. The app is free, carries no advertising and offers no in-app purchases, so there is nothing to weigh beyond the time it takes to download content before a trip.
Who will get the most from it
This is for people who plan park trips in advance and want the details in one place: entrance fees, opening hours, what services exist nearby, which trails and programs are worth building a day around. It is equally useful for the traveler who arrives with a rough idea and wants to orient quickly once inside a park.
It also suits the casual collector of park experiences. The Visits feature and the daily widget give the app a life outside active trips, which is rare for something so utilitarian. Families working through a list of sites over several years will find the record-keeping side more appealing than they might expect.
It is an official reference tool for the National Park System, and it is at its best when you use it to prepare and then to check details on the ground.
A dependable companion for national park trips
The National Park Service app does one job well: it puts authoritative information about more than 420 NPS sites into a single free download, with offline access for the places where you need it most. The maps, self-guided tours and planning details cover the practical side of a visit, while the Visits feature and daily widget add a reason to keep it around afterwards. The accessibility work, including audio descriptions for points of interest and exhibits, extends that usefulness to more visitors.
The caveats are modest. Offline access depends on downloading content beforehand, and the app stays within the National Park System rather than covering every public land. Those are boundaries rather than flaws, and they are easy to plan around.
I would install this before any trip that touches a national park, and I would keep it installed between them. It is free, ad-free and built by the agency that manages the sites, which makes it an easy recommendation for park visitors of any experience level.
The short verdict
A free, ad-free official guide to 420+ national parks, best installed and downloaded before you travel.
What's new in version 2.14.0
- Peak Finder now loads park-specific configuration and shows peak elevations - Android Auto crash fixed - Other fixes and improvements
App specs
- Version2.14.0
- UpdatedSeptember 18, 2026
- Downloads1M+
- RequiresAndroid 7.0+
- PriceFree
- Age ratingEveryone
National Park Service: frequently asked questions
Does the National Park Service app work without an internet connection?
Yes, if you prepare for it. The app lets you download park content in advance and then explore it offline. The practical habit is to download the parks on your itinerary while you still have a solid connection, whether at home or at a hotel the night before.
How many parks are included?
The app covers more than 420 sites managed by the National Park Service, ranging from famous destinations to smaller ones that get far less attention. Each entry can include maps, points of interest, trails, amenities and planning details.
What is the Visits feature and how does it work?
It scans the photos already stored on your phone to detect national park visits, then maps the parks you have been to. It is a way to turn an existing photo library into a record of past trips.
Is the app free, and are there ads or in-app purchases?
The app is free to download, contains no advertising and offers no in-app purchases.
What does the app offer for accessibility?
It includes audio descriptions for points of interest and exhibits, which the developer presents as part of a fully accessible experience. That gives visitors who benefit from audio context a way to follow along with what they are seeing.
Pros
- Covers 420+ NPS-managed sites
- Offline downloads for remote areas
- Interactive maps with trails and POIs
- Free with no ads or purchases
- Audio descriptions improve accessibility
Cons
- Offline use needs content downloaded first
- Park of the Day widget is iOS only
- Limited to National Park System sites
- Self-guided tours are not live rangers
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