Between Russia and Lithuania you can find peninsula called Curonian Spit (Kuršių nerija), where is situated a unique national park with sand dunes – Kuršių Nerija National Park. This sand bridge is 180 km long and it is very interesting geomorphological formation bordering the Baltic Sea. It separates the Curonian Lagoon from the Baltic Sea coast.
Kuršių Nerija National Park, Lithuania by fintlandia
Kuršių Nerija National Park has now become a popular tourist site and holiday resort, which is also one of the largest deposits of amber in the world.
Kuršių Nerija National Park contains of a range of pine forests and sand dunes, through which is sometimes referred to as the Baltic Sahara. The unique character of the landscape brought Curonian Spit to the UNESCO World Heritage Site. The larger part of the Curonian Spit in Lithuania is a part of Kuršių Nerija National Park covering an area of 265 km2 (98km2 are covered by land, and 167km2 by water). The park has been established in 1991 but the first steps to protect this area were undertaken already in 1960, when Curonian Spit became a Nature Reserve.