The Eastern Neisse originates in the
Králický Sněžník Mountains of the
Sudetes, near the border with the
Czech Republic. It is partially regulated. The river has often burst its banks and flooded nearby towns, at times destroying them completely. Town chronicles from
Kłodzko mention
floods in the following years: • 14th century: 1310 • 15th century: 1441, 1464, 1474 • 16th century: 1500, 1522, 1524, 1560, 1566, 1570, 1587, 1589, 1591, 1598, • 17th century: 1602, 1603, 1605, 1610, 1611, 1612, 1625, 1646, 1652, 1655, 1689, 1693, 1696 • 18th century: 1702, 1703, 1713, 1724, 1735, 1736, 1740, 1755, 1763, 1767, 1775, 1785, 1787, 1789, 1799 • 19th century: 1804, 1806, 1827, 1828, 1829, 1831, 1850, 1854, 1879, 1881, 1883, 1891, 1897 • 20th century: 1900, 1903, 1907, 1938, 1952, 1997, 1998 • 21st century: 2024 ==Towns==