Ilustracja Kolorowe Jeziorka

Wieściszowice, dolnośląskie

Kolorowe Jeziorka

Four former mining lakes on the slopes of Wielka Kopa. Water, pyrite and abandoned workings reveal how the industrial landscape of Wieściszowice became a forest attraction in the Rudawy Janowickie mountains.

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Kolorowe Jeziorka

Kolorowe Jeziorka, the Colourful Lakes, occupy former mine workings on the northern slope of Wielka Kopa in the Rudawy Janowickie mountains. Yellow Lake, Purple Lake, Blue Lake and Green Pond lie at different levels on the hillside. They fill hollows left by the extraction of pyrite-bearing rock. Exposed quarry walls, water and surrounding woodland now share this landscape.

The area’s industrial history began with the Nadzieja mine, opened in 1785. Pyrite was used at a local plant to produce sulphuric acid. After mining ceased, rainwater and groundwater filled the workings. Reactions within the rock and water continue to change their environment: oxidation of sulphide minerals releases iron compounds and sulphates, strongly lowering the pH in some of the pools.

The walk from the lower ponds to Green Pond passes successive levels of the former mining area. Iron compounds contribute to Purple Lake’s colour, while Blue Lake has a different water chemistry. The smaller pools sometimes dry out. Water levels depend on the weather, so the four names do not promise four equally full lakes on every visit.

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Rutas (1)
  • Ilustracja Kolorowe JeziorkaRuta temáticaFour lakes along the pyrite trailA climb from Yellow Lake past Purple Lake and Blue Lake to Green Pond. Four former workings connect the history of mining with geology and changing water chemistry.Empezar la visita
Piezas y puntos (4)
  • Ilustracja Kolorowe JeziorkaGreen PondThe highest and smallest pool, tucked into the former Gustaw working. Water levels depend on the weather, so a dry hollow sometimes awaits at the end of the climb.
  • Ilustracja Kolorowe JeziorkaPurple LakeA flooded working of the Nadzieja mine, where pyrite extraction left acidic water and iron compounds that give the lake its characteristic colour.
  • Ilustracja Kolorowe JeziorkaBlue LakeThe former Nowe Szczęście working, above Purple Lake. Its clear water holds different chemical conditions and aquatic vegetation along part of the shore.
  • Ilustracja Kolorowe JeziorkaYellow LakeA small pool near the lower entrance, within the former Nadzieja mine. Its funnel-shaped hollow and occasional drying reveal the relationship between water and bedrock.
Contacto

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Kolorowe Jeziorka, Wieściszowice
58-410 Wieściszowice
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Forest paths on a hillside, with climbs and uneven ground. The section to Green Pond climbs above the other lakes.

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