# Great Falls Park, United States: what it is and when to go > Great Falls Park is an U.S. National Park facing the Great Falls of the Potomac River in Northern Virginia in United States (Herndon). Interests: Nature and Wildlife. The best time to visit is April to October. In June there are 14 h 43 of daylight, and in December, 9 h 17. It has articles in 7 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/america/estados-unidos/great-falls-park/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** U.S. National Park facing the Great Falls of the Potomac River in Northern Virginia · Nature, Wildlife - **Where:** United States - **Best time:** April to October. - **Nearest airport:** EWR Newark, 324 km as the crow flies - **Website:** [nps.gov](https://www.nps.gov/grfa/index.htm) - **Run by:** National Park Service - **Coordinates:** 38.99043, -77.25003 ## What it is and where Great Falls Park is an U.S. National Park facing the Great Falls of the Potomac River in Northern Virginia in United States (Herndon). It has articles in 7 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. It is in [Herndon](https://kokai.app/en/paises/america/estados-unidos/herndon/), where this site lists 40 more places to see, 11 km from the centre. Its coordinates are 38.99043, -77.25003; the nearest main airport is Newark Liberty International Airport (EWR, Newark), 324 km as the crow flies. How to get around United States (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=38.990431%2C-77.250034) - [Directions](https://www.google.com/maps/dir/?api=1&destination=38.990431%2C-77.250034) - **Run by:** National Park Service It is one of the [Nature](https://kokai.app/en/paises/america/estados-unidos/naturaleza/) and [Wildlife](https://kokai.app/en/paises/america/estados-unidos/fauna/) places in United States. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Great Falls Park is **April to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 33 | | February | Possible | 10 h 32 | | March | Possible | 11 h 42 | | April | Best time | 13 h 02 | | May | Best time | 14 h 08 | | June | Best time | 14 h 43 | | July | Best time | 14 h 29 | | August | Best time | 13 h 32 | | September | Best time | 12 h 14 | | October | Best time | 10 h 57 | | November | Possible | 9 h 49 | | December | Possible | 9 h 17 | In June there are 14 h 43 of daylight, and in December, 9 h 17. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. | What you come for | Best time | Possible | | --- | --- | --- | | Nature | April to October | November to March | | Wildlife | April to October | November to March | It is not the same trip whatever you come for: Great Falls Park has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. When to go to United States in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#cuando-ir). ## Before you go to United States To enter United States there are 9 things to sort out before you leave, starting with “Book national parks and cars in advance”: they are all, with their deadlines, in [the United States checklist](https://kokai.app/en/paises/america/estados-unidos/#antes-de-salir). Currency: US dollar (USD); plugs: Type A and B · 120 V · 60 Hz (you need an adapter, and check your devices' voltage); emergencies: 911 for everything. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Colvin Run Mill](https://kokai.app/en/paises/america/estados-unidos/colvin-run-mill/): Operational 19th-century water-powered mill in the Washington, D.C. metropolitan area · 4.5 km - [NOVA Wild](https://kokai.app/en/paises/america/estados-unidos/nova-wild/): With kids · Wildlife · 5.9 km - [Wolf Trap National Park for the Performing Arts](https://kokai.app/en/paises/america/estados-unidos/wolf-trap-national-park-for-the-performing-arts/): 130 acre-park in Virginia (US) maintained by the National Park Service · 6.1 km - [Water Mine Family Swimmin' Hole](https://kokai.app/en/paises/america/estados-unidos/water-mine-family-swimmin-hole/): With kids · 6.4 km - [Lockhouse 10](https://kokai.app/en/paises/america/estados-unidos/lockhouse-10/): Hiking · 7.4 km Distances are as the crow flies. Everything else is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/). ## More in United States: Nature - [Niagara Falls](https://kokai.app/en/paises/america/estados-unidos/niagara-falls-2/): three waterfalls that straddle the international border between Canada and the United States - [Grand Canyon](https://kokai.app/en/paises/america/estados-unidos/grand-canyon-2/): steep-sided canyon carved by the Colorado River in Arizona, United States - [Yellowstone National Park](https://kokai.app/en/paises/america/estados-unidos/parque-nacional-de-yellowstone/): first national park in the world, located in Wyoming, Montana, and Idaho in the United States - [Denali](https://kokai.app/en/paises/america/estados-unidos/monte-denali/): highest mountain in North America, located in Alaska - [Mount Rushmore](https://kokai.app/en/paises/america/estados-unidos/mount-rushmore/): mountain in South Dakota featuring a sculpture of four US presidents - [Mauna Kea](https://kokai.app/en/paises/america/estados-unidos/mauna-kea/): Hawaiian volcano Every United States place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/naturaleza/). ## Frequently asked questions ### What is Great Falls Park? It is an U.S. National Park facing the Great Falls of the Potomac River in Northern Virginia in United States. It has articles in 7 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. ### When is the best time to visit Great Falls Park? April to October. In June there are 14 h 43 of daylight, and in December, 9 h 17. ### How do you get to Great Falls Park? The nearest main airport is Newark Liberty International Airport (EWR), 324 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=38.990431%2C-77.250034) opens the route on the map, and how to get around United States is explained in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the United States map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Colvin Run Mill](https://kokai.app/en/paises/america/estados-unidos/colvin-run-mill/), [NOVA Wild](https://kokai.app/en/paises/america/estados-unidos/nova-wild/), [Wolf Trap National Park for the Performing Arts](https://kokai.app/en/paises/america/estados-unidos/wolf-trap-national-park-for-the-performing-arts/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/2068256), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q968859), CC0. More about Great Falls Park on [Wikipedia](https://en.wikipedia.org/wiki/Great_Falls_Park). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).