Kwisa
…where it runs along the border with the Czech Republic. At the slope of the Smrk massif it turns northwards, flowing past the towns of Świeradów-Zdrój, Mirsk, Gryfów Śląski, Leśna, where it is dammed at the Lake Leśnia reservoir, to Lubań, Nowogrodziec and Kliczków. It finally joins the Bóbr river approximately…