The Maderanertal is an Alpine valley of the canton of Uri in Central Switzerland.
It is drained by the Chärstelenbach, a stream that is a right tributary of the Reuss at Amsteg.
The highest mountain in the Maderanertal is the Oberalpstock with a height of 3,328 metres above sea level.
The Maderanertal include two large lateral valleys: the Etzlital and the Brunnital, drained by the Etzlibach and the Brunnibach respectively (both left tributaries).
The locality of Golzern, located near the Golzernsee at 1,400 metres, is a popular destination in the valley.