Longest mill races

As of 2026-10-12, Thayamühlbach tops the list with 31,600 m.

1. #1 Thayamühlbach — 31,600 m

   watercourse in the Czech Republic

   source Wikidata
2. #2 Mlýnský potok — 17,443 m

   Morava distributary in Olomouc District

   source Wikidata
3. #3 Alba — 17,400 m source Wikidata
4. #4 Profener Elstermühlgraben — 16,610 m source Wikidata
5. #5 Ladenská strouha — 10,696 m

   stream in Břeclav District

   source Wikidata
6. #6 Loucká Mlýnka — 10,000 m source Wikidata
7. #7 Mlýnka — 7,600 m

   mill race in Karviná

   source Wikidata
8. #8 Hronětický náhon — 7,504 m

   mill race in Nymburk District, Central Bohemian Region, Czech Republic

   source Wikidata
9. #9 Knauthain Elster mill race — 6,389 m

   mill race

   source Wikidata
10. #10 Hamerský náhon — 5,990 m

    mill race in Olomouc District

    source Wikidata