Sattelberg, Mountain summit in Stubaier Alps, Austria and Italy

Sattelberg is a 2,115 m summit on the Alpine main ridge, where the border between North Tyrol (Gries am Brenner, Austria) and South Tyrol (Brenner, Italy) has run since the Treaty of Saint-Germain in 1920. It is a gentle, rounded knoll covered with spruce forest up to about 2,000 m and alpine meadows to the top; the Eisack, South Tyrol's second-longest river, rises just south of the summit.

The ridge has been the border between North and South Tyrol since the Treaty of Saint-Germain took effect in 1920, making it the state frontier between Austria and Italy. An old pack trail ran over the saddle from Vinaders, west of the Brenner route. From 1965 to 2006 a double chairlift climbed from Gries to the Sattelbergalm, with a ski area on the north and east slopes until 2006.

The name Sattelberg is also recorded on old maps as Leckner. The mountain was long used for summer pasturing, with a Kaser (herder's hut) and mountain mowing; the Sattelbergalm northeast of the summit and the Sattelalm southeast of it continue this use. An old pack-horse trail ran from Vinaders over the mountain, west of the Brenner route.

The hike starts near the Brenner Pass and follows marked trail number 1 through hairpin turns for a round trip of about 10 kilometers (6 miles). The terrain is steep in places, so sturdy footwear and basic mountain hiking experience are recommended.

The Eisack, South Tyrol's second-longest river, rises just south of the summit. On the summit stands a weather station of the University of Innsbruck at 2,108 m, built on the foundations of the Sattelberghaus of the Naturfreunde Österreichs, which burned down in 1959 and was never rebuilt.