The Zirler Berg near Zirl in the Austrian federal state of Tyrol is a mountain, m (AA) high, in the Karwendel Alps, a western part of the Northern Limestone Alps. It is a southern foothill of the Reither Spitze (2,374 m) and is known mainly because the Seefelder Straße (B 177) on its southern slopes climbs through 388 metres in a distance of less than 4 kilometres from Zirl in the Inn valley to Leithen on the Seefeld Plateau.