Lake Esrum is the second-largest lake in Denmark, located in the northern part of the island of Zealand. It covers an area of approximately 19 square kilometers and reaches a maximum depth of about 22 meters. The lake is surrounded by beautiful forests and is a popular spot for outdoor activities such as hiking, fishing, and birdwatching. The lake is fed by several small streams and is part of the Esrum River system. It is also known for its rich biodiversity, including various fish species and waterfowl. The nearby town of Esrum offers visitors access to the lake and its scenic surroundings, making it a favored destination for nature enthusiasts.