Lac du Grand Maclu, Mountain lake in La Chaux-du-Dombief, France
Lac du Grand Maclu is a mountain lake in the Jura region that covers a substantial area and reaches depths of up to 24 meters. The water sits at roughly 779 meters elevation and connects to nearby lakes in the same area.
The lake formed during the last ice age when glacial movements carved deep valleys into Jura limestone. This process created the natural water basin that exists today.
The lake draws fishing enthusiasts who gather to cast their lines following local guidelines. People value this place as a spot where recreation and conservation work together.
The lake is accessible via marked trails that also lead to other nearby waters in the region. Visitors can follow well-signposted paths to explore the connected lake system.
From April through September, the area operates under quiet zone protocols to protect wildlife breeding cycles. During these months, restrictions help keep nesting birds and other sensitive species undisturbed.
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