The Lielupe (in Latvian literally: Large River, ) is a river in central Latvia. Its length is 119 km (the length would reach 310 km if the Memele River were counted as part of the Lielupe). The surface area of its drainage basin is 17,600 km². The average fall of the Lielupe is about (.1 meter/kilometer) and its average flow is 106 m³/s, although a maximum of 1380 m³/s has been reached during floods.

The Lielupe (in Latvian literally: Large River, ) is a river in central Latvia. Its length is 119 km (the length would reach 310 km if the Memele River were counted as part of the Lielupe). The surface area of its drainage basin is 17,600 km². The average fall of the Lielupe is about (.1 meter/kilometer) and its average flow is 106 m³/s, although a maximum of 1380 m³/s has been reached during floods.