The northern part of the municipal territory with the town proper lies in the western tip of the Giant Mountains Foothills.

The southern part lies in the Ještěd–Kozákov Ridge and includes the highest point of Rychnov u Jablonce nad Nisou, the hill Bienerthův vrch at 614 m (2,014 ft) above sea level.

[4] The I/35 expressway (part of the European route E442) from Liberec to Turnov runs along the western municipal border.

The I/65 road, which connects the I/35 with Jablonec nad Nisou, runs north of the town.

Rychnov u Jablonce nad Nisou is located on the railway line Liberec–Pardubice.