Bolulla River Nature · Bolulla, La Marina Baixa, Alicante A river that gives its name to the municipality of Bolulla, in the province of Alicante, and that rises in the valley of Tárbena. With a length of approximately four kilometres and a highly intermittent flow, it empties into the Río Algar, of which it is a tributary and which, together with the Río de Guadalest, reaches the Mediterranean Sea at Altea. Photo: po.psi.que (CC BY-SA 2.0) What to see and do in Bolulla