Is one of the seven hills on which Rome was founded. Its height is 48 m a.s.l. sull'Arx (current Basilica of S. Maria in Aracoeli), 35.9 m a.s.l. in the Asylum (current Piazza del Campidoglio) and 44.7 m a.s.l. on the Capitolium proper (Palazzo Caffarelli).