The Navesti (also known as Pala or Paala) is a -long-river in southwestern Estonia. It is the largest river by discharge that empties into the Pärnu (at its mouth the discharge is almost equal to that of the Pärnu). The source of the Navesti is near Imavere (between the villages of Jalametsa and Käsukonna) in Järva County. It flows generally west, and passes through three counties (Järva, Viljandi, and Pärnu). Its confluence with the Pärnu is located near Tori in Jõesuu. The basin area of the Navesti is and its average discharge .
Before the opening of primeval Lake Võrts through the Emajõgi to Lake Peipus, the Navesti River drained the Võrtsjärv.
There are up to 18 species of fish in the Navesti, including bream, burbot, chub, dace, ide, perch, pike, river trout, roach, and ruffe.