Meet at the Boemund-Brunnen fountain in the Fruchtmarkt square (Am Fruchtmarkt, 54439 Saarburg). The fountain is easy to spot in the centre of the square.
The tour ends at the Burgruine Saarburg (Saarburg Castle ruins), perched on the hill above the old town. Follow the signs for "Burg Saarburg" up the steps from the town centre.