Azuda de La Montaña

Azuda de la Montaña is a historic waterwheel located a few kilometers outside Aranjuez, set among the fertile plains along the Tagus and Jarama rivers.

What is this structure?

The word "azuda" comes from the Arabic "as-sudd" and refers to a large waterwheel used to lift river water onto higher ground for irrigating orchards and gardens. The first wooden wheel on this site dates back to the late 16th century, and it was replaced by an iron structure toward the end of the 18th century. The current wheel measures over 14 meters in diameter, built on a metal frame with 12 spokes and 48 buckets. The mechanism raises water more than 11 meters, handling a flow of 500 liters per second and feeding roughly 40 liters per second into the aqueduct.

One distinctive engineering detail is the shape of the buckets: curved like an excavator scoop or a pelican's beak, with a triangular profile designed to collect water more efficiently than a standard paddle wheel.

How did it work, and why did it stop?

The waterwheel operated continuously, supplying water to nearby orchards and gardens, until 1927. The arrival of motor-driven irrigation pumps made the traditional wheel obsolete, and it was abandoned, falling into disrepair over the following decades.

What does it look like today?

In 2013, a joint effort between the Aranjuez town council and the Tagus River Basin Authority (Confederación Hidrográfica del Tajo) restored the wheel, its aqueduct, and the surrounding grounds, turning the area into a park-garden open to visitors. Today the wheel operates again as a working monument to traditional irrigation and stands as one of the most recognizable landmarks of the La Montaña neighborhood in Aranjuez.

How to get there?

The Azuda sits on the outskirts of Aranjuez, a few kilometers from the town center, toward the plains irrigated by the Tagus and Jarama rivers. The best way to reach it is on foot or by bike, following paths that run alongside the historic irrigation channels — part of the Aranjuez Royal Site landscape, a UNESCO World Heritage listing.

What will you see on site?

The centerpiece is the waterwheel itself, together with the visible brick aqueduct that once carried water to the surrounding fields. The surrounding area has been landscaped as a green park, making it a pleasant stop for a quiet walk paired with a look at the region's hydraulic engineering history.

When to visit?

The site can be visited year-round, though spring and autumn are the most comfortable seasons, with mild temperatures around Madrid and the surrounding greenery at its best.

Frequently Asked Questions

What is an azuda? An azuda is a large waterwheel, a technique introduced under Arab influence, used to lift river water to higher ground for irrigation purposes.

How far is the Azuda de la Montaña from central Aranjuez? It sits a few kilometers from the town center, within the agricultural land irrigated by the Tagus and Jarama rivers.

Is the waterwheel still working? Following its 2013 restoration, the mechanism was brought back into operation and now runs as a demonstration of traditional irrigation.

Why did the waterwheel fall out of use? In 1927, the introduction of motor-powered irrigation pumps made the traditional wheel obsolete, leading to decades of abandonment.