Ruin Ostrý

  • Length: up to 40 min
  • Wheelchair accessibility: No

At about 1.5 km southeast of the town of Benešov nad Ploučnicí, the members of the Markvartic family were built after the Ploučnice River in the 13th century.
The ruin of the castle is accessible by a comfortable half-hour walk from Benešov Castle.