How the Thirty Years' War transformed a mountain refuge into a populated landscape

How the Thirty Years' War transformed a mountain refuge into a populated landscape
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In short: For centuries, the Giant Mountains were a remote frontier of impenetrable forests and hidden gold. But the chaos of the 17th century changed everything, driving refugees into the high ridges and turning a desolate landscape into a densely populated region of glassworks and industry.

Before the 17th century, the Giant Mountains—spanning the Czech-Polish border—were largely a frontier of unpopulated, deep forests. While early settlers like woodcutters and gold prospectors arrived in the 1elung 12th and 13th centuries, the high ridges remained largely untouched. The landscape was shaped by waves of colonization, including German settlers during the Ostsiedlung and, later, Alpine lumberjacks from Tyrol and Carinthia who brought new agricultural techniques and wooden dams. The range's highest point, Sněžka, reaches 1,603 metres. This area also serves as a vital watershed, with rivers draining toward both the North Sea and the Baltic.

The Thirty Years' War (1618–1648) acted as a major catalyst for demographic change. As armies moved through the lowlands, people fled to the safety of the mountains. This influx of religious refugees from the Bohemian side into the Silesian side led to the founding of permanent settlements such as Karpacz, Borowice, and Michałowice. This period also saw the establishment of 'boudy'—mountain cottages used for summer and winter cattle pasturage, some of which, like Luční bouda, date back to the 1620s and 1630s. The town of Vrchlabí even served as a supply base for Albrecht von Wallenstein's military forces. This period of instability helped establish the permanent presence of the boudy cottages.

This era of movement laid the groundwork for the region's industrial identity. The mountains became a hub for glassmaking, with small works featuring prominent chimneys extending high up the slopes. By the time the borders between Bohemian and Silesian dominions were settled between 1790 and 1810, the range had transitioned from a rugged wilderness into a complex, inhabited landscape of mining, glass production, and organized agriculture. The region's economic vitality was further bolstered by German miners from Saxony, who began working in Obří Důl in 1511. These industrial activities eventually led to the creation of the modern national parks in the 20th century.

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