Válovický potok (Dlouhá voda)

This watercourse, with the original German name Langwasser, originates near Prorub on the border of Náchodsko and Trutnovsko, where it is formed by the confluence of several small streams, flows below Mezilečí and Chlístovo, where it forms a number of rapids and small waterfalls, from there between Lhota pod Hořičké and Chvalkovice and not far from Velké Třebešov flows into the Úpa. Its length is approximately 11,37 km and the catchment area is 35,6 km2. From 15.…