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Lüneburg Heath

The Pregnant House in Lüneburg

Highlight • Monument

The Pregnant House in Lüneburg

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Gravel riding

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  • Location: Lüneburg Heath, Lower Saxony, Germany

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    Tips

    February 18, 2022

    Hiking

    A leisurely stroll along Waagestraße today quickly reveals something a little off. There's a truly unique, bulbous feature: Lüneburg's Pregnant House. The house owes its prominent shape to gypsum mortar from Lüneburg's Kalkberg (limestone hill). Back in the 12th century, when brick houses were being built, the people of Lüneburg used this mortar as a substitute for lime mortar. This highly fired gypsum has the property of absorbing a considerable amount of moisture over time, causing it to expand. Today, this chemical reaction in the brickwork has given us a real eye-catcher: Lüneburg's Pregnant House.

    lueneburg.info/schwangeres-haus
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    January 22, 2022

    Hiking

    Lüneburg's "Pregnant Walls"

    On Waagestraße in Lüneburg, you can see a truly unique sight:

    The pregnant house. Why are the walls bulging?

    The bulging shape of the house wall is caused by moisture absorption.

    When houses were built from brick starting in the 12th century, the people of Lüneburg used
    the gypsum and anhydrite from the Kalkberg (lime hill) as a substitute for lime mortar. When humidity from the interior, rainwater, or groundwater penetrates the masonry, a chemical process begins
    within the brickwork.
    Translated by

    December 14, 2025

    Hiking

    The pregnant house is located directly opposite the town hall on the left. It looks very quaint and is highly recommended for a visit 👍🏼.
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    Informations

    Elevation 20 m

    Weather

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    Friday 12 June

    18°C

    11°C

    92 %

    Additional weather tips

    Max wind speed: 28.0 km/h

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    Location: Lüneburg Heath, Lower Saxony, Germany

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