page_title: Biržai Regional Park
hierarchical_section_title: Biržai Regional Park
caption_attribution_description: Sinkhole in Biržai, Lithuania, formed in December 2004.
context_page_description: Biržai Regional Park covers 14,659 hectares in northern Lithuania near its border with Latvia. It was established in 1992 to preserve a distinctive karst landscape. About 20% of its area is covered by forest.
  The park is notable for its sinkholes, created by the dissolution of the gypsum underlying its soil. About 9,000 sinkholes have been identified; the most notable is the Karves uola, which is about 20 meters deep. In 1998 the use of pesticides and fertilizers in the area was restricted.
context_section_description: Biržai Regional Park covers 14,659 hectares (36,220 acres) in northern Lithuania near its border with Latvia.  It was established in 1992 to preserve a distinctive karst landscape. About 20% of its area is covered by forest.
  The park is notable for its sinkholes, created by the dissolution of the gypsum underlying its soil. About 9,000 sinkholes have been identified; the most notable is the Karves uola (Cow's Cave), which is about 20 meters deep. In 1998 the use of pesticides and fertilizers in the area was restricted.
caption: Sinkhole formed in 2004
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