Černousy (German: Tschernhausen) is a municipality and village in Liberec District in the Liberec Region of the Czech Republic. It has about 300 inhabitants.

The villages of Boleslav and Ves are administrative parts of Černousy.

Černousy is located about 25 kilometres (16 mi) north of Liberec, in a salient region of Frýdlant Hook on the border with Poland. It lies in the Frýdlant Hills. The highest point is the Štemberk hill at 340 m (1,120 ft) above sea level. The Smědá River flows through the municipality.

The first written mention of Černousy is from 1385.

Historical population

Year Pop. ±% 1869 801 —     1880 811 +1.2% 1890 774 −4.6% 1900 789 +1.9% 1910 845 +7.1%	Year Pop. ±% 1921 791 −6.4% 1930 723 −8.6% 1950 466 −35.5% 1961 428 −8.2% 1970 386 −9.8%	Year Pop. ±% 1980 367 −4.9% 1991 327 −10.9% 2001 330 +0.9% 2011 334 +1.2% 2021 312 −6.6%
Source: Censuses

On the Czech-Polish border are two border crossings: the Frýdlant v Čechách / Zawidów railway border crossing and the Černousy – Ves / Zawidów road border crossing.

Černousy is the final station of the railway line Liberec–Černousy.

The most notable building is the Church of Saint Lawrence in Ves. It is a late Gothic church, which was first documented in 1346 and rebuilt in 1519.

• Official website