The Mark is a river flowing through Regio Zuid in the Netherlands, offering a pleasant and accessible angling experience for a wide range of species. It is a public water body where anglers can fish under the Dutch VISpas system, making it straightforward to visit without advance booking. The river is known locally simply as "Mark" and supports a healthy and diverse fish community, attracting both local and visiting anglers throughout the year. Night fishing is authorized on the Mark, adding flexibility for those targeting species that become more active after dark.