Distinctive and outstanding with pine forests overgrown inland dunes are a unique in all Latvia. Arrays central part is taken by Mārkalnu dunes array, which has been created by more than 20 parallel to each other stand up curved dune ranges.
Array is located on right side of road Valka – Vireši and area of array is more than 30 km².
Location: Zvārtavas parish,
GPS 57°39'16'', 26°12'53''
Location on the map: here