Arima Onsen Tansan Senbei is a small day-use onsen located above Arima Onsen village, about a 10-minute uphill walk from Arima Onsen Station. The ginzan bath uses clear, hot carbonated spring water, and the facility has one hot bath and one wet sauna. Admission tickets are purchased from a vending machine at the counter, and towels are not provided, so visitors must bring their own or buy them separately. The changing room and bathing area are small, making the onsen inconvenient to use during busy times.