El Tiemblo is a municipality located in the province of Ávila, Castile and León, Spain.

The neighbouring municipalities are El Barraco, Cebreros, San Martin de Valdeiglesias, Casillas and Navahondilla.

El Tiemblo is on the southern slopes of the Sierra de Gredos mountain range.

To the southeast is the Alto del Mirlo peak at 1,725 m above sea level; La Parra at 1,637 m, La Encinilla at 1,604 m. Part of the territory of the municipality of El Tiemblo forms part of the Valle de Iruelas Natural Park, which is home to a large colony of black vultures (Aegypius monachus).

El Tiemblo has a Mediterranean climate (temperate with hot dry summers) according to the Köppen classification.