Gschloessbach Stream, East Tirol, western tributary of the Tauernbach stream, rises at the end of the glaciers in the Venedigergruppe mountains and ends at Aussergschloess (alt. 1,680 m). At Innergschloess (alt. 1,689 m) there is a chapel cut in rock. Innergschloess and Aussergschloess (with alpine dairy farms and inns) are part of the municipality of Matrei in Osttirol. At Innergschloess the medium flow rate of the Gschloessbach stream is 2.9 m3/sec.