Large ships anchored at Texel instead of sailing the 55 miles to Amsterdam because the sandbank called Pampus made Amsterdam's harbor difficult to enter.
Notes on verification
Confirmed by multiple independent sources including Wikipedia, academic encyclopedia (EHNE), and a specialized maritime museum, all corroborating the sandbank's role, the anchoring practice at Texel, and the approximate distance to Amsterdam. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.812 clusters=4 claim_tier=notable | kind=empirical eligibility=high (extractor: empirical/low)]
Sources
- Global Cargo - Archaeology Magazine - May/June 2018 (seed:history_and_archaeology)
- https://www.nationalgeographic.com/magazine/article/shipwreck-clothing-gowns-palmwood-texel-discovery (corroboration)
- https://ehne.fr/en/encyclopedia/themes/europe-europeans-and-world/ports-tools-european-expansion/amsterdam-and-rotterdam-actors-in-european-dynamic (corroboration)
- https://kaapskil.nl/en/the-roads-of-texel/ (corroboration)
- https://mforamsterdam.com/amsterdams-difficult-route-to-sea/ (corroboration)