Vecdole Castle (German: Schloss Alt-Dahlen) is a castle on the Daugava River in the historical region of Vidzeme, Latvia. Built before 1226, today only ruins remain.

• List of castles in Latvia

Zarāns, Alberts (2006). Latvijas pilis un muižas. Castles and manors of Latvia (in Latvian and English). Riga. ISBN 9984-785-05-X. OCLC 72358861.{{cite book}}: CS1 maint: location missing publisher (link)

• Media related to Vecdole Castle at Wikimedia Commons
• "Dalen". Geographical Dictionary of the Kingdom of Poland (in Polish). 1. Warszawa: Kasa im. Józefa Mianowskiego. 1880. p. 895.

• Vecdole Castle

56°51′38″N 24°15′08″E / 56.8606°N 24.2522°E / 56.8606; 24.2522