Lake Tikshozero (Russian: Тикшеозеро, Тикшозеро) is a freshwater lake, located in Loukhsky District of the Republic of Karelia and in Kandalakshsky District of Murmansk Oblast in Russia. It is one of the biggest lakes in Karelia. The area of the lake is 209 square kilometres (81 sq mi), and the area of its basin is 1,080 square kilometres (420 sq mi). The outflow of the lake of the Lopskaya River, which flows north as two separate streams (the Pudos River and the Vincha River) into Lake Kovdozero and belongs to the drainage basin of the Kovda River and of the White Sea.