A "riviertje" is a Dutch diminutive term for a small river or stream. Specifically, the Gein is a riviertje about 6 kilometers long located between the towns of Driemond and Abcoude in the Netherlands. It connects the Gaasp and Smal Weesp with the Angstel river and flows west of the Amsterdam-Rhine Canal, entirely within the municipality of Abcoude (now part of De Ronde Venen) since 2011. Driemond and Abcoude are places in the Netherlands connected by this small river, the Gein, which is notable for its natural beauty and is a popular area for cycling and walking. The Gein has also inspired many artists over the years. In summary:

• Riviertje means a small river or stream in Dutch.
• The Gein is a specific riviertje between Driemond and Abcoude, about 6 km long.
• It links several waterways and is known for scenic paths and cultural inspiration in the region.