In lies mostly in the Ralsko Uplands, only the eastern part of the municipal territory extends into the Ještěd–Kozákov Ridge.
The highest point is the hill Malý Ještěd at 754 m (2,474 ft) above sea level.
The built-up area is situated in the valley of the stream Ještědský potok.
The main landmark of Křižany is the Church of Saint Maximilian.
In 2023, the owner decided to move the museum and the astronomical clock from Kryštofovo Údolí.