I decided to try to maintain a comprehensive list of all the jam sessions in Utrecht, since it seems to be sorely lacking (something I have noticed traveling around the world is hardly unique here). Please double check the venue using the link. Enjoy and jam out!
Het Oude Pothuys – Jam session
Café Averechts – Open Mic
Cafe Domkop – Jampot
THURSDAY Het Oude Pothuys – Jam session
De Kargadoor – Jam session (jazz)
SATURDAY Cafe Domkop – Jampot
SUNDAY Café Tilt – Jazz jam session