The Souš reservoir was built on the Česná Desná during the 1912-15 period; it flooded nearly 86 hectares.
The region of Jizerské Hory was declared a protected landscape area in 1967. The area occupies 38,000 hectares.
The Prales Jizera - Virgin Forest of Jizera is the oldest nature preserve in the territory of the Jizerské Hory.
A basalt mound Bukovec near Kořenov is lonely protruding from the granite massif of Jizera mountains.
The nature preserve called Rašeliniště Jizery - Velká Jizerská Louka - Jizera peatbog - Large Jizera Meadow, is the largest peat-bog area in the Jizerské Hory.
The private garden belongs to Mr and Mrs Dennenberbg, who in 1996 bought a small house with a spacious garden, which is dating back to 1890. Part of the house apart from the 2600 m2 garden, is also land counting 4.5 hectares.