# Hardtmühle, Germany: what it is and when to go

> Hardtmühle is a visitor attraction in Germany (Cologne). Interests: Architecture. The best time to visit is April to October and December. In June there are 16 h 17 of daylight, and in December, 7 h 43. It has an article in one Wikipedia, so it is not one of the busiest places in Germany: 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/europa/alemania/hardtmuhle/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Activity · Architecture
- **Where:** Germany · Strundener Straße 92, 51069, Köln
- **Best time:** April to October and December.
- **Nearest airport:** DUS Düsseldorf, 42 km as the crow flies
- **Coordinates:** 50.97132, 7.08221

## What it is and where

Hardtmühle is a visitor attraction in Germany (Cologne). It has an article in one Wikipedia, so it is not one of the busiest places in Germany: one to enjoy at a calmer pace.

It is in [Cologne](https://kokai.app/en/paises/europa/alemania/colonia/), where this site lists 96 more places to see, 10 km from the centre.

Its coordinates are 50.97132, 7.08221; the nearest main airport is Düsseldorf Airport (DUS, Düsseldorf), 42 km as the crow flies. How to get around Germany (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/alemania/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=50.971318%2C7.082213)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=50.971318%2C7.082213)

It is one of the [Architecture](https://kokai.app/en/paises/europa/alemania/arquitectura/) places in Germany. 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 Hardtmühle is **April to October and December**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 11 |
| February | Possible | 9 h 45 |
| March | Possible | 11 h 32 |
| April | Best time | 13 h 34 |
| May | Best time | 15 h 18 |
| June | Best time | 16 h 17 |
| July | Best time | 15 h 53 |
| August | Best time | 14 h 21 |
| September | Best time | 12 h 22 |
| October | Best time | 10 h 24 |
| November | Possible | 8 h 37 |
| December | Best time | 7 h 43 |

In June there are 16 h 17 of daylight, and in December, 7 h 43. 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.

When to go to Germany in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/alemania/#cuando-ir).

## Before you go to Germany

To enter Germany there are 6 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the Germany checklist](https://kokai.app/en/paises/europa/alemania/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz; emergencies: 112 · 110 police.

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

- [Thielenbruch](https://kokai.app/en/paises/europa/alemania/thielenbruch/): Nature reserve in Bergisch Gladbach, North Rhine-Westphalia, Germany · 1.9 km
- [[▶14] Königsforst-Thielenbruch](https://kokai.app/en/paises/europa/alemania/14-konigsforst-thielenbruch/): Hiking · 3.6 km
- [Wanderweg 7 des KEV](https://kokai.app/en/paises/europa/alemania/wanderweg-7-des-kev/): Hiking · 3.8 km
- [Villa Zanders](https://kokai.app/en/paises/europa/alemania/kunstmuseum-villa-zanders/): History · Museums and art · 4.0 km
- [Höhenbergbad](https://kokai.app/en/paises/europa/alemania/hohenbergbad/): With kids · 5.5 km

Distances are as the crow flies. Everything else is in [the Germany guide](https://kokai.app/en/paises/europa/alemania/).

## More in Germany: Architecture

- [Limes](https://kokai.app/en/paises/europa/alemania/rom-kleinkastell-kaldorf-limes/): border defence or delimiting system of Ancient Rome
- [Ulm Minster](https://kokai.app/en/paises/europa/alemania/catedral-de-ulm/): Gothic church in Germany
- [Brocken](https://kokai.app/en/paises/europa/alemania/brocken/): highest mountain of the Harz Mountains in Saxony-Anhalt, Germany
- [Weissach](https://kokai.app/en/paises/europa/alemania/wehrturm/)
- [Buchheim](https://kokai.app/en/paises/europa/alemania/buchheimer-hans/)
- [Magdeburg Water Bridge](https://kokai.app/en/paises/europa/alemania/kanalbrucke-magdeburg/): Large navigable aqueduct over the Elbe near Magdeburg, Saxony-Anhalt, central Germany

Every Germany place under Architecture, each with its season, is on [its page](https://kokai.app/en/paises/europa/alemania/arquitectura/).

## Frequently asked questions

### What is Hardtmühle?

It is a visitor attraction in Germany. It has an article in one Wikipedia, so it is not one of the busiest places in Germany: one to enjoy at a calmer pace.

### When is the best time to visit Hardtmühle?

April to October and December. In June there are 16 h 17 of daylight, and in December, 7 h 43.

### How do you get to Hardtmühle?

The nearest main airport is Düsseldorf Airport (DUS), 42 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=50.971318%2C7.082213) opens the route on the map, and how to get around Germany is explained in [its country guide](https://kokai.app/en/paises/europa/alemania/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the Germany 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 [Thielenbruch](https://kokai.app/en/paises/europa/alemania/thielenbruch/), [[▶14] Königsforst-Thielenbruch](/paises/europa/alemania/14-konigsforst-thielenbruch/), [Wanderweg 7 des KEV](https://kokai.app/en/paises/europa/alemania/wanderweg-7-des-kev/). The rest is in [the Germany guide](https://kokai.app/en/paises/europa/alemania/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/167136366), licensed under the ODbL. More about Hardtmühle on [Wikipedia](https://de.wikipedia.org/wiki/Hardtm%C3%BChle). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).