El Arenosillo Atmospheric Sounding Station of the “Instituto Nacional de Técnica Aeroespacial” (INTA)

Local information


El Arenosillo is located at the 33 km point from Huelva – Matalascañas, in the pre-National Park of Doñana. On the road there is a small sign indicating INTA, which is easy to find because there is a 100m tall tower that can be seen from far away. El Arenosillo is 100 km from Seville airport and 150km from Faro (Portugal) airport.

Closest lodging to El Arenosillo is Mazagón, a small tourist village by the seaside, about 10 km distance. This is the most convenient place to stay.

Means of transport

International flights to Sevilla and Faro (Portugal). Faro option is only interesting if renting a car.

Travel by public bus:

  • Buses from Sevilla to Huelva. Departures from “Plaza de Armas” bus station each hour approx. (8 €). It is advisable to take route by A-49 motorway because this is direct (one hour trip). –  page 6: Huelva-Sevilla A-49

  • Buses from Huelva to Mazagón. –  page 7: Mazagon-Palos-Huelva

Bus information:

Telephone: 34 959 256900


Travel by taxi:

  • TAXI: Approximate price:

Sevilla-Mazagón (Approx.120 €)

Huelva-Mazagón  (Approx. 25 €)

Mazagón- El Arenosillo (Approx. 10 €)

Transport from the hotel (Mazagon) to institute and back

INTA is about 10 km from Mazagón, but do not worry if do not plan to rent a car,  as other participants can share their car with you, as we usually do.


Should you have any queries, please do not hesitate to contact Pilar Zanz or José Manuel Vilaplana or cell phone (+34) 655.79.09.90 any moment.

STREET ADDRESS:  Ctra. San Juan del Puerto Matalascañas, Km 34.100, 21130 Mazagón, Huelva

ACCESS (During office hours):  security check required to enter the facilities.

TRANSPORT: Bus Shuttle will be available from the hotels in Mazagon to the Sounding Station.

The following hotels are in Mazagón (the nearest village to INTA / El Arenosillo) and they offer a special price for INTA.