Szmaragdowe Lake - interesting facts, attractions, map, routes

Szmaragdowe Lake, Szczecin

Mine

In a place where families with children and lovers go on romantic walks in beautiful natural circumstances, in 1925 there was still a huge and ugly hole in the ground. A hole filled with mining machinery.
There was an opencast chalk and marl mine (marl is a type of sedimentary rock used for the production of cement and fertilizers).

View of the chalk and marl mine excavation - now the Szmaragdowe Lake (1915 - 1924)
photo source: fotopolska.eu

The mine was established in 1862 and supplied the raw material to the nearby "Stern" cement plant, producing Portland cement. The cement plant was developing dynamically, and the cement it produced was known for its high quality. Of course, the quality of the cement was directly related to the high quality of the local deposits exploited by the mine.
I managed to find a map from 1930, which shows the location of the excavation and the mine heap, the cement plant, the transport channel connecting the cement plant with the measles and other parts of the project.

Map of mines and cement plants from 1930.
photo source: fotopolska.eu

I decided to do an experiment. I generated a contemporary map on an appropriate scale and superimposed a contemporary map and a historical map. The effect can be seen below.
On the map overlay obtained in this way, you can clearly see how different parts of the mine and cement plant overlap with what we can see here today.
For those who want to explore the area a little more thoroughly, this overlay can be an interesting help.

An overlay of a 1930 historical map and a modern map.
1 - Szmaragdowe Lake (mine excavation)
2 - Toepffer Grotto
4 - Widok Hill (mine heap)
9 - Stern cement plant
10 - channel connecting the cement plant with the Oder river
source of the historical map: fotopolska.eu
modern map background: openstreetmap.org

A cement business

For over 60 years, everything was going well (Szczecin then became one of the largest cement production centers in Germany). The mine mined, the cement plant produced and sold cement, the money flowed, and the owners (the Toepffer family) grew richer.

The "Stern" cement plant in the years 1930-1935
photo source: fotopolska.eu

Albert Eduard Toepffer (son of the first owner of a cement plant, Gustaw Adolf Toepffer) expanded the production with paving tiles and roof tiles.
In order to present potential buyers the possibilities offered by the cement produced in Szczecin, he built an artificial grotto made of cement, and in front of it, two cement arches, on which he placed a small pavilion.
Grota made a great impression on contractors. An orchestra played in the pavilion placed on the arches above the guests' heads. The guests were having fun, dancing, and Toepffer doing more business. The grotto and one of the arches still exist today.

Arches in front of the grotto in 1905.
photo source: fotopolska.eu
The arch in front of the grotto in winter 2021

Helmut Toepffer (grandson of the first owner of the cement plant) also left a permanent mark. Near the grotto, he built an impressive residence of several dozen rooms, furnished with great splendor. He purchased the entrance gate to the residence during an international exhibition in Paris. In the museum hall, which the residence was equipped with, a copy of the sculpture "Moses" by Michelangelo, commissioned in Rome, was placed. The house was filled with original furnishings imported from all over the world.

The remains of the gate

Suddenly it was all over

July 16, 1925 came. Mining works were carried out at the southern wall of the excavation. Everything was going well until a layer of permeable sand was found.
Years of exploitation of the excavation led to a situation in which the material was obtained from a depth that was well below the groundwater level.
After that, everything happened very quickly. A sudden outflow of groundwater into the excavation took place through the layer of permeable sand. The excavation was taking on water quickly. People were evacuated immediately. Fortunately, nothing happened to anyone.
The excavation was flooded. A lake was formed.

The Emerald Lake is barely visible from the top of the hill
Emerald Lake in autumn

Szmaragdowe Lake

Due to the violent circumstances of the birth of the Emerald Lake, machines that were there at the time of the catastrophe are still resting on its bottom. Hobbyist divers sometimes venture into the depths of the lake to admire the sunken machines. Unfortunately, the waters of the lake are still quite cloudy. Diving in them is very dangerous and swimming, due to the chemical composition of the water, is not recommended.
The lake owes its color (and at the same time its name) to the high content of calcium carbonate, which comes from the calcite filling the pit.

The path along the lake shore

What a beautiful disaster

Ultimately, the disaster in the mine workings led to the creation of an exceptional beauty and recreation area.
Today the lake makes a fantastic impression. Sewn up among the steep slopes of the former excavation, covered with a beautiful forest, crossed by walking paths with places to rest. Here and there, while walking, you can see traces of history telling a story about itself. The bridge over the lake reminds us of the narrow-gauge railway which used to transport the output from the mine. The fragments of buildings that the forest greedily devours, the grotto, and the monuments destroyed with the passage of time remind us of the fortune that was created on the deposits exploited here.

Narrow-gauge railway bridge over Lake Szmaragdowe
Zajazd Szmaragd at the Emerald Lake

Even the "Oko na Szczecin" viewpoint is located on the artificial View Hill, which used to be a heap where redundant mining material was stored.
Concluding the topic of the Toepffer residence, I would like to add that the residence survived World War II, but did not survive the Soviet army, which ruined and plundered the palace after the end of the war. The work of destruction was completed by seekers of free building material. Only fragments of the gate and small fragments of walls and foundations remain after the residence. A similar fate befell the cement plant.
Near the Emerald Lake you will also come across very interesting relics of a bit later history. Inside the slopes surrounding the lake, there are undergrounds from the times of World War II, with a total length of tunnels of about 700m (available for visiting).

The remains of the Toepffer family buildings are slowly being taken away by the forest

At the top of the rugged lake shore, on the so-called On the Cannon Hill there is a foundation of a huge cannon that had a powerful firepower from the level of the hill.
Right next to the lake you will come across a Sunny Glade, along with the remains of Baresel's Tower ... and that's not all.
The Szmaragdowe Lake and its surroundings are a beautiful and very interesting area. A place where nobody will be bored and where I come back often and willingly.
I recommend it to everyone!

The foundation on the Cannon Hill
Cannon Hill area

Map of the Emerald Lake

Below is a map of the Emerald Lake with interesting places and walking paths marked.

Szmaragdowe Lake - trails, paths, interesting facts

The path marked in yellow is real and is marked in the field as a yellow trail. The paths marked in red and green are not actually marked with any marks. These are my suggestions that I just marked on the map. Why did I even mark them?
The red trail modifies the yellow trail a bit and runs next to the attractions that the yellow trail avoids.

Example:
When starting your walk from the P1 parking lots, you can first follow the path marked in red from the narrow-gauge railway bridge (8) to the basement (5), then to the Armatnie Hill (6), then the red one to the right to the yellow trail. Then follow the yellow trail to Widok Hill (4), the gates to the Toepffer residence (3), then to the grotto (2) and then a longer bit along the yellow trail to the rest shelter, where you can turn slightly right again (onto the red path), in towards Baresel Tower (7) and back to the parking lot.

The green trail in the field is also not marked in any way, but I drew it because it is my favorite walking route. It is beautiful, picturesque and interesting. It is best to start at the P1 parking lot, then along the red path (8, 5) and down the cannon hill down the path leading down to the moment when narrow, cement steps appear on the left. We go left on these stairs and we go down the stairs to the lake itself. Further on, the path will lead us around the lake alone. I recommend.

The length of the trail around the lake, depending on the chosen path, is from 2,5 to 5 km.

Somewhere on the path around Emerald Lake

Attractions in the vicinity of the Szmaragdowe Lake

I know from experience that in the field there may be a problem with finding some attractions. The area is wooded and very undulating, which means that visibility is very limited.
So below I am giving the precise GPS coordinates of all places. If you happen to lose your orientation or there is a problem with finding the destination (and I am sure that such a problem will appear in 100%), you can always start the navigation on the phone by clicking on the coordinates provided by me. This should make it much easier to find your target.
The numbering below obviously corresponds to the numbers on the map.

1. Lake Szmaragdowe

53°22’21.4″N 14°37’29.0″E
53.372603, 14.624717 - click and route

2. Toepffer Grotto

53°22’25.0″N 14°37’04.3″E
53.373596, 14.617871 - click and route

3. Gate to Toepffer Residence

53°22’24.9″N 14°37’10.1″E
53.373580, 14.619474 - click and route

4. View hill

53°22’28.7″N 14°37’11.1″E
53.374650, 14.619756 - click and route

5. Underground and Tourist Information Center

53°22’20.4″N 14°37’25.9″E
53.372338, 14.623867 - click and route

6. Cannon Hill

53°22’17.2″N 14°37’22.8″E
53.371445, 14.622995 - click and route

7. remains of Baresel's Tower

53°22’29.3″N 14°37’34.2″E
53.374817, 14.626166 - click and route

8. The narrow-gauge railway bridge

53°22’22.5″N 14°37’29.6″E
53.372905, 14.624897 - click and route

Parking P1, next to the narrow-gauge railway bridge

53°22’24.1″N 14°37’28.2″E
53.373359, 14.624485 - click and route

Parking P2, next to the Toepffer Grotto

53°22’26.0″N 14°37’06.3″E
53.373900, 14.618417 - click and route


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