If you want to leave your car in Den Helder you can park it for free on the parking lot next to the terminal. For the parking lot please follow the signs "P Texel", "Afhalen + Wegbrengen". The parking lot is not guarded. If all spaces are taken you can park your car in the vicinity. Please allow for a 10 minute walk back to the terminal.
Below you can find a map of Den Helder with various parking possibilities.