Biržai Regional Park
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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.
LocationPanevėžys County, Lithuania
NearestcityBiržai
Coordinates56.201°N 24.659°E[1]
Area14,659 hectares (36,220 acres)
| Biržai Regional Park | |
|---|---|
Sinkhole formed in 2004 | |
  Location within Lithuania | |
| Location | Panevėžys County, Lithuania |
| Nearest city | Biržai |
| Coordinates | 56.201°N 24.659°E[1] |
| Area | 14,659 hectares (36,220 acres) |
| Established | 1992 |
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 Karvės ola (Cow's Cave), which is about 20 meters deep.[3] In 1998 the use of pesticides and fertilizers in the area was restricted.