姆热河是中欧的河流，流经德国和捷克，河道全长106.5公里，流域面积1,828.6平方公里，最终在皮尔森与拉德布扎河汇流成为贝龙卡河，该河是独木舟的热门地点。

• Information at the Water Management Institute

The Mže (Czech pronunciation:[ˈm̩ʒɛ]; German:Mies) is a 107 km long river in the Czech Republic. Its source is situated in the Griesbach Forest (726 metres), Germany, near the village of Asch, in the municipality of Mähring, Tirschenreuth district. It forms the state boundary for a short distance of 3 kilometers and then finally enters Czech territory. It passes through the towns of Tachov and Stříbro. At the confluence with the Radbuza, it forms the Berounka in Pilsen. Its major left affluent is Hamerský potok and the right affluent is Úhlava. There are two water dams on the Mže, Lučina and Hracholusky, both in the Tachov district. The basin area of the Mže is 1,828.6 km².