River Lett

The River Lett is a perennial stream of the Hawkesbury-Nepean catchment. It is located in the Central Tablelands region of New South Wales, Australia.

Course
The River Lett rises on the southern slopes of the Bell Range, below, approximately 10 km north of , and flows generally west south-west, joined by two minor tributaries, before reaching its confluence with the Coxs River, at Glenroy, south-west of the historical settlement of. The river course is approximately 10 km.

The Great Western Highway traverses the River Lett near Hartley, at the bottom of the ascent of River Lett Hill. The remains of an old timber bridge that carried traffic on the Great Western Highway over the River Lett can be found near the settlement of Hartley.