Linden fibre, obtained from the bast (inner bark) of the linden tree (genus Tilia), is one of the oldest natural fibres used by humans. Its use for making ropes and cords is documented as early as the Early Mesolithic period, particularly in Northern Europe, where the first finds of linden ropes were discovered in the context of the Maglemosian culture.
Linden bast provides a unique combination of strength, bulk, and flexibility, which made it an ideal material for producing technical textiles, especially ropes and cords. Throughout history, various plant materials were used for rope-making, but linden bast became one of the most important due to its exceptional strength.
The use of linden bast is documented in many cultures—from the Vikings, who used it for ship equipment ropes, through the ancient Slavs, to Japan, where bast fibres were also used in textile production. In Norway, linden was highly valued, and its bast was used not only for ropes but also for nets, bags, footwear, and even for binding boat hulls.
During the Middle Ages, the use of linden bast persisted across Northeastern Europe (Finland, Russia, the Baltic region, Germany, Poland), where it was used to produce ropes that remained a traded commodity until the 19th century. In Norway, bast ropes were made for domestic use until the mid-20th century, and during World War II linden bast experienced a revival due to shortages of other materials.
Linden bast is obtained by stripping and soaking the bark of the linden tree, followed by drying and processing into fibres. These fibres were then twisted into cords and ropes. Linden ropes were especially popular in regions where hemp or flax were scarce, as bast is flexible, water-resistant, and has good tensile strength.
In medieval Norway, linden ropes accounted for up to 86% of all bast ropes found in archaeological layers. They were mainly used in maritime equipment (anchoring ropes, rigging for small wooden vessels), in fishing and agriculture (nets, ropes for binding hay), in households (bags, footwear, mats), and for technical purposes (binding wooden structures, weaving).
In Slavic culture, the linden tree was considered sacred, and its bast had symbolic meaning—it was used as a protective element against evil forces, and in folk tales bast ropes appear in contexts involving the binding of supernatural beings.
Linden fibre played a significant role in the history of rope-making, especially in Northern and Eastern Europe, where it was readily available and provided the necessary technical properties. Its use spans from prehistory to the modern period, and in some regions it has survived into contemporary times.
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