Blidinje Lake (Bosnian: Blidinje jezero), is alpine lake located in Blidinje Nature Park, on karstic Blidinje plateau, Bosnia and Herzegovina, between Jablanica, Tomislavgrad and Posušje, and is largest of its kind in the country. The lake is most important hydrogeological feature of the park and indeed entire Dinaric Alps karst within Bosnia and Hezegovina.