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Poland

Pomeranian Voivodeship

powiat słupski

Smołdzino

Łącka Dune – Submerged Forest at Łącka Dune loop from Wydma Łącka

Routes

Bike touring routes & trails

Poland

Pomeranian Voivodeship

powiat słupski

Smołdzino

Łącka Dune – Submerged Forest at Łącka Dune loop from Wydma Łącka

Easy

4.8

(240)

1,486

riders

Łącka Dune – Submerged Forest at Łącka Dune loop from Wydma Łącka

00:55

15.7km

30m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Mierzeja

Słowiński Park Narodowy

Waypoints

Start point

Bus stop

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26 m

Łącka Dune

Highlight • Natural Monument

The Lontzkedüne (Polish Wydma Łącka) is the largest shifting dune on the Pomeranian Baltic Sea coast. Shaped like a crescent or crescent, it is part of the dune area, which covers an area of approximately 500 hectares. The natural dune is located on the 17 km long spit between Lake Leba and the Baltic Sea. It is between 30 and 42 meters high, about 1300 meters long and 500 meters wide and moves eastwards about 12 meters a year due to the prevailing westerly winds. She buries the original landscape, forest and moor under her. In the past, Łączka was also buried by the dune. On the west side, facing the wind, the dune has a gentle slope, while on the leeward side, the slope is very steep. From a wind speed of 18 km/h, the grains of sand begin to roll up the flat side until they fall down the upper edge on the wind-protected side. While the dune grows higher in spring and summer when the winds are rather weak, it flattens out in stronger winds in autumn and winter and then achieves a higher migration speed. On the back of the shifting dune, stub fields of former forests come to light (Wikipedia).

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85 m

Submerged Forest at Łącka Dune

Highlight • Natural Monument

The Lontzkedüne (Polish: Wydma Łącka) is the largest shifting dune on the Pomeranian Baltic coast. It has the shape of a sickle or a crescent moon and is part of the dune area, which covers an area of approximately 500 hectares. The natural dune lies on the 17 km long spit between the Lebasee and the Baltic Sea. It is between 30 and 42 meters high, about 1300 meters long and 500 meters wide and moves about 12 meters a year to the east due to the prevailing westerly winds. It buries the original landscape, forest and moor under itself. Łączka was buried by the dune in the past. On the west side leaning towards the wind, the dune has a slight slope, while on the side leaning towards the wind, the slope is very steep. From a wind speed of 18 km / h, the grains of sand begin to roll up the flat side until they fall down on the upper edge on the sheltered side. While the dune grows in height in spring and summer with rather weak winds, it flattens out in stronger winds in autumn and winter and then reaches a higher migration speed. On the back of the shifting dune, stump fields of former forests come to light.
Source: de.wikipedia.org/wiki/Lontzked%C3%BCne

We were in Leba in January and experienced the power of the wind and certainly experienced the hiking of the dune more intensely than it can be experienced in summer.

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593 m

Łącka Dune

Highlight • Natural Monument

1.84 km

Viewing platform at the Łeba Rocket Launch Site

Highlight • Viewpoint

Muzeum Wyrzutni Rakiet (rocket museum) in the middle of the dune landscape of the Slowinski National Park. Former missile test site of the German Wehrmacht.
More information: pl.wikipedia.org/wiki/Muzeum_Wyrzutni_Rakiet_w_R%C4%85bce, de.wikipedia.org/wiki/Raketenerprobungsstelle_Rumbke and lebskiserwisturystyczny.pl/oferujemy/zwiedzanie-muzeum -wyrzutni-rakiet /

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2.18 km

View of the Mierzeja sand dunes

Highlight • Natural Monument

Beautiful shelter and rest stop

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5.70 km

Wayside Memorial Shrine

Highlight • Religious Site

Well-kept memorial along the way.

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6.49 km

Entrance to Błowiński National Park

Highlight • Rest Area

Start of the long straight to the Lacka Dune

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13.6 km

Trail to the Dunes (Mierzeja Conservation Area)

Highlight (Segment) • Natural Monument

Attention! In summer there is a migration and a long queue at the ticket office at the entrance to the national park. Access seems to be completely unregulated. Crowds of people on the way to the dune and the few beach entrances.

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15.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.62 km

3.40 km

3.38 km

1.33 km

Surfaces

7.01 km

4.67 km

3.40 km

360 m

239 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Wednesday 26 August

24°C

8°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

April 30, 2024,Radtour zum Raketenmuseum Leba🇵🇱🌞🚀🚴🚴

Day 3, still Leba. Since we didn't quite manage to visit yesterday, we made up for it today.

In the middle of the dune landscape of the Słowiński National Park is the former rocket test site of the German Wehrmacht. The area, which has now been converted into a museum, houses various exhibits and models of the rockets tested here.

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July 26, 2024,Rückreise von der Wanderdüne Wydma Łącka 🇵🇱 zum Campingplatz

Return journey through the Słowiński National Park, great for cycling.
There are a few places with fewer people.
It's just holiday time...

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Łącka Dune – Submerged Forest at Łącka Dune loop from Wydma Łącka

Łącka Dune

Submerged Forest at Łącka Dune

Łącka Dune

Viewing platform at the Łeba Rocket Launch Site

View of the Mierzeja sand dunes

Wayside Memorial Shrine

Entrance to Błowiński National Park

Trail to the Dunes (Mierzeja Conservation Area)

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