Pielinen is a large lake located in eastern Finland, primarily in the region of North Karelia. It is the fourth largest lake in the country, covering an area of approximately 1,100 square kilometers. The lake is known for its beautiful scenery, with numerous islands and a diverse ecosystem that supports various fish species. The Pielinen area is popular for outdoor activities such as fishing, boating, and hiking. The surrounding landscape features forests and hills, making it a picturesque destination for nature lovers. Additionally, the lake plays a significant role in local culture and history, contributing to the livelihoods of nearby communities.