Ulla (river)

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Ulla River
Pontevea. Galicia. Río Ulla 9.jpg
Country Spain
Basin features
Main source Monterroso, Galicia, Spain
River mouth Ría de Arosa, Galicia, Spain
Basin size 2.764 km2 (1.067 sq mi)
Physical characteristics
Length 132 km (82 mi)

The Ulla (río Ulla in Galician and Spanish) is a river in Galicia, Spain.

Its source is sometimes given as Antas de Ulla es:Antas de Ulla and sometimes the neighbouring municipality of Monterroso. It flows to Ría de Arosa. Its basin is the largest in Galicia after the Minho River. Tributaries include the rivers Deza and Arnego.

The river is also valued by archaeologists owing to the large number of artifacts, dating as far back as the Neolithic, discovered here. The outlet of the Ulla River and the mouth of the estuary, called Ría de Arousa, are the two sites where archaeologists have discovered remains consistently. Rock carvings have been discovered here. The Ulla River is also important because it is the river in the northwest of the Iberian Peninsula to produce a large number of watery hoards, which were discovered in its lower reaches and its mouth.

The Ulla river basin is marked in deep blue in this map of the Galician river basins


According to E. Bascuas, "Ulla" is a form belonging to the old European hydronymy, and derived from the Indoeuropean root *wel- 'wheel, rotate'. This toponym is registered in 906 as "(fluvius) Volia", which had derived from a previous form *Wulia.[1]

See also[edit]


  1. ^ Cf. p. 541 of "La Hidronimia de Galicia: tres estratos ..". http://www.mondonedoferrol.org/estudios-mindonienses/MINDONIENSES%2024%20[protegido].pdf

External links[edit]