[1] The Mönchsberg shapes Salzburg's historic townscape with its long drawn back consisting of conglomerate (Nagelfluh).
[citation needed] Water ingressing into numerous bursts and cleavages can lead to falling stones and demolition of whole rock sections: in the early morning of 16 July 1669 tons of rock fell off the mountain onto the Gstättengasse street below, killing about 230 citizens in their sleep and destroying two churches, a seminary and 13 houses.
[citation needed] Driven into the walls of rock above of the St Peter's Cemetery, established about 700, are Early Christian hermitages, called Katakomben (catacombs), which however never were funeral places.
[citation needed] Between 1137 and 1143, the Archbishop of Salzburg had the Stiftsarm branch of the Almkanal [de] tunnelled through the mountain, in order to lead the waters into the city.
[citation needed] The Mönchsberg plateau offers a small-scale change of forests and meadows and therefore is a popular local recreation area for the Salzburg citizens and tourists.