Yes. Japan is still very much a cash society. Some places, especially in resort will accept credit card. We recommend carrying enough cash for the day in case card is not accepted.
Most accommodation, snow sports lessons and rentals in Niseko will accept credit cards. Pre-book the essentials to save the hassle of carrying excess cash and wasting holiday time looking for an ATM.
Japan has one of the lowest crime rates in the world, so you can feel a little more at ease carrying cash.
Head to our Travel Information page to learn where to find international ATMs in Niseko.