Cerknica Lake is a unique intermittent lake located in Slovenia. It is part of the Cerknica Polje, a karst field that fills with water during the rainy season and dries up in the summer. The lake covers an area of about 26 square kilometers when full, making it one of the largest lakes in Slovenia. The lake is home to diverse wildlife, including various bird species, which makes it a popular spot for birdwatching. It is also a significant natural feature in the Notranjska Regional Park, attracting visitors who enjoy hiking and exploring the surrounding landscapes.