# Lock 23, United States: what it is and when to go

> Lock 23 is a dive site in United States (Morrisburg). Interests: Diving and History. The best time to visit is March to October. In June there are 15 h 23 of daylight, and in December, 8 h 36. 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/lock-23/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Dive site · Diving, History
- **Where:** United States
- **Best time:** March to October.
- **Nearest airport:** EWR Newark, 475 km as the crow flies
- **Website:** [morrisburgdivesites.com](https://morrisburgdivesites.com/tag/lock-23-morrisburg/)
- **Coordinates:** 44.8953, -75.17511

## What it is and where

Lock 23 is a dive site in United States (Morrisburg).

It is in [Morrisburg](https://kokai.app/en/paises/america/estados-unidos/morrisburg/), where this site lists 6 more places to see, 7.9 km from the centre.

Its coordinates are 44.8953, -75.17511; the nearest main airport is Newark Liberty International Airport (EWR, Newark), 475 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=44.895297%2C-75.175113)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=44.895297%2C-75.175113)

It is one of the [Diving](https://kokai.app/en/paises/america/estados-unidos/submarinismo/) and [History](https://kokai.app/en/paises/america/estados-unidos/historia/) 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 Lock 23 is **March to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 58 |
| February | Possible | 10 h 11 |
| March | Best time | 11 h 38 |
| April | Best time | 13 h 16 |
| May | Best time | 14 h 38 |
| June | Best time | 15 h 23 |
| July | Best time | 15 h 05 |
| August | Best time | 13 h 53 |
| September | Best time | 12 h 18 |
| October | Best time | 10 h 42 |
| November | Possible | 9 h 18 |
| December | Possible | 8 h 36 |

In June there are 15 h 23 of daylight, and in December, 8 h 36. 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 |
| --- | --- | --- |
| Diving | June to September | April to May and October |
| History | March to October | November to February |

It is not the same trip whatever you come for: Lock 23 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

- [Coles Creek State Park](https://kokai.app/en/paises/america/estados-unidos/coles-creek-state-park/): State park in St. Lawrence County, New York · 3.8 km
- [Eastcliffe Hall (Wrack)](https://kokai.app/en/paises/america/estados-unidos/eastcliffe-hall-wrack/): Shipwreck · 6.7 km
- [Prehistoric World](https://kokai.app/en/paises/america/estados-unidos/prehistoric-world/): With kids · 7.9 km
- [Upper Canada Village](https://kokai.app/en/paises/america/estados-unidos/upper-canada-village/): Living museum in Ontario, Canada · 10 km
- [Raymondville Parabolic Bridge](https://kokai.app/en/paises/america/estados-unidos/raymondville-parabolic-bridge/): Bridge in Raymondville, New York, United States · 17 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: Diving

- [USS Yorktown](https://kokai.app/en/paises/america/estados-unidos/uss-yorktown/): 1936 Yorktown-class aircraft carrier
- [USS Arizona](https://kokai.app/en/paises/america/estados-unidos/uss-arizona/): 1915 Pennsylvania-class battleship
- [Japanese aircraft carrier Akagi](https://kokai.app/en/paises/america/estados-unidos/akagi/): 1925 aircraft carrier initially laid down as a battlecruiser
- [Dry Tortugas National Park](https://kokai.app/en/paises/america/estados-unidos/parque-nacional-tortugas-secas/): 64,657 acres in Florida (US) managed by the National Park Service
- [Japanese aircraft carrier Sōryū](https://kokai.app/en/paises/america/estados-unidos/soryu/): 1935 Sōryū-class aircraft carrier
- [Japanese aircraft carrier Kaga](https://kokai.app/en/paises/america/estados-unidos/kaga/): 1921 Tosa-class battleship

Every United States place under Diving, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/submarinismo/).

## Frequently asked questions

### What is Lock 23?

It is a dive site in United States.

### When is the best time to visit Lock 23?

March to October. In June there are 15 h 23 of daylight, and in December, 8 h 36.

### How do you get to Lock 23?

The nearest main airport is Newark Liberty International Airport (EWR), 475 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=44.895297%2C-75.175113) 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 [Coles Creek State Park](https://kokai.app/en/paises/america/estados-unidos/coles-creek-state-park/), [Eastcliffe Hall (Wrack)](https://kokai.app/en/paises/america/estados-unidos/eastcliffe-hall-wrack/), [Prehistoric World](https://kokai.app/en/paises/america/estados-unidos/prehistoric-world/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/719484360), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).