Tyrlaching is situated on the northern edge of the historic Rupertiwinkel region, near the border with Austria. It is the district's southernmost municipality, located at the boundary with Traunstein district. The municipal area comprises the Rainbichl hill, with 544 metres (1,785 ft) the highest point of Altötting district, offering a panoramic view to the mountain chain of the Northern Limestone Alps in the south.
History
The settlement of Deolekingas in the German stem duchy of Bavaria was first mentioned about 790 AD, then a possession of St Peter's Abbey, Salzburg. Temporarily the seat of a local Amt administration of the episcopal lands, it became part of the immediate Prince-Archbishopric of Salzburg in the late 13th century.