Sources and image creditsHoorn by the Markermeer: start at the harbour todayBack to the article → Sourcewestfriesmuseum.nl/ (2026-10-17)westfriesmuseum.nl/ontdek-het-verhaal-van-hoorn/ (2026-10-17)www.beleefwestfriesland.nl/nl/waar-te-gaan/hoorn (2026-10-17)www.stoomtram.nl/reisplanner/ (2026-10-17) Image creditsHoorn seen from the Markermeer.Rolfcosar / Wikimedia Commons · CC BY-SA 4.0 · source