Onder de Boompjes was a restaurant located in Hattem Castle in Roermond, in the Netherlands.

It was a fine dining restaurant that was awarded one Michelin star in 1999 and retained that rating until 2004.

[3][4][5][6] Owner and head chef of Onder de Boompjes was René Brienen.

[7] The restaurant was originally located on Irenestraat 1 in Overloon but moved in April 2002 to Hattem Castle in Roermond.

[8][9][10] The restaurant closed down in 2004, due to bankruptcy.