Illach

Illach in wild climb

The Illach is nearly 23 km long tributary of the River Lech in Bavaria with a catchment area of ​​40 km ².

It is fed from a series of spring-fed streams on the northern slope of the high wild fire mountain in Trauchbergmassiv ( Oberammergau Alps), whose most important springs in about 1,260 m above sea level and Markbächl is called. In the upper reaches of the Illach mainly flows in a northerly direction through the territory of the municipalities Wildsteig and gang book, turns about the Rottenbucher district Rudersau westward, eventually reaching just below the Lechstaustufe 3 at Steingädele (municipality Steingaden ) the Lech. Your flow behavior varies between an outflow of 1 m / s ( low water) and 60 m³ / s (flood ). These fluctuations are related to pre-alpine rainfall.