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

> Main Lock Wall is a reef in United States (Minneapolis). Interests: Beaches, Diving and History. The best time to visit is March to October. In June there are 15 h 24 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/main-lock-wall/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Reef · Beaches, Diving, History
- **Where:** United States
- **Best time:** March to October.
- **Nearest airport:** ORD Chicago, 541 km as the crow flies
- **Protection:** Protected heritage
- **Coordinates:** 44.95406, -93.20749

## What it is and where

Main Lock Wall is a reef in United States (Minneapolis).

This lock and dam was built in 1906 and abandoned/demolished in 1912.

It is in [Minneapolis](https://kokai.app/en/paises/america/estados-unidos/mineapolis/), where this site lists 74 more places to see, 4.8 km from the centre.

Its coordinates are 44.95406, -93.20749; the nearest main airport is Chicago O'Hare International Airport (ORD, Chicago), 541 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=44.954059%2C-93.207487)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=44.954059%2C-93.207487)

- **Protection:** Protected heritage

It is one of the [Beaches](https://kokai.app/en/paises/america/estados-unidos/playa/), [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 Main Lock Wall is **March to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 57 |
| February | Possible | 10 h 11 |
| March | Best time | 11 h 37 |
| April | Best time | 13 h 16 |
| May | Best time | 14 h 39 |
| June | Best time | 15 h 24 |
| 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 24 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 |
| --- | --- | --- |
| Beaches | June to September | April to May and October |
| 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: Main Lock Wall 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

- [Riverward Lock Wall](https://kokai.app/en/paises/america/estados-unidos/riverward-lock-wall/): Reef · 31 m
- [The Lab - Brewery, Pilot Facility & Taproom](https://kokai.app/en/paises/america/estados-unidos/the-lab-brewery-pilot-facility-taproom/): Brewery · 956 m
- [Montrose Moderne](https://kokai.app/en/paises/america/estados-unidos/montrose-moderne/): History · 1.1 km
- [Dual Citizen Brewing](https://kokai.app/en/paises/america/estados-unidos/dual-citizen-brewing/): Brewery · 1.3 km
- [Barrel Theory Beer Company](https://kokai.app/en/paises/america/estados-unidos/barrel-theory-beer-company/): Brewery · 1.4 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: Beaches

- [Coney Island](https://kokai.app/en/paises/america/estados-unidos/coney-island-beach/): coastal neighborhood in Brooklyn, New York City, New York, USA
- [Waimānalo Beach, Hawaii](https://kokai.app/en/paises/america/estados-unidos/waimanalo-beach/)
- [Maro Reef](https://kokai.app/en/paises/america/estados-unidos/maro-reef/): shoal in Honolulu County, Hawaii, United States
- [Glass Beach](https://kokai.app/en/paises/america/estados-unidos/glass-beach/): beach in northern California, USA
- [Waipiʻo Valley](https://kokai.app/en/paises/america/estados-unidos/waipio-beach/): valley on Hawaii Island, Hawaii
- [Baker Beach](https://kokai.app/en/paises/america/estados-unidos/baker-beach-clothing-optional-area/): beach on the peninsula of San Francisco, California, United States

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

## Frequently asked questions

### What is Main Lock Wall?

It is a reef in United States.

### When is the best time to visit Main Lock Wall?

March to October. In June there are 15 h 24 of daylight, and in December, 8 h 36.

### How do you get to Main Lock Wall?

The nearest main airport is Chicago O'Hare International Airport (ORD), 541 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=44.954059%2C-93.207487) 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 [Riverward Lock Wall](https://kokai.app/en/paises/america/estados-unidos/riverward-lock-wall/), [The Lab - Brewery, Pilot Facility & Taproom](https://kokai.app/en/paises/america/estados-unidos/the-lab-brewery-pilot-facility-taproom/), [Montrose Moderne](https://kokai.app/en/paises/america/estados-unidos/montrose-moderne/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/1376335002), 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).