The source of the Talanda stream Nature · El Maderal, La Guareña, Zamora The Talanda stream, a tributary of the Duero, rises on the edge of the village, set at 840 metres of altitude in a municipal district of 29.71 square kilometres that went from 617 households in 1960 to 172 in 2025. Photo: Ángel Encinas Carazo (CC BY-SA 4.0) What to see and do in El Maderal