How to get to Manza Onsen
By train and bus via Manza Kazawaguchi
The closest railway station to Manza Onsen is JR Manza Kazawaguchi Station from where there are infrequent buses to Manza Onsen (40 minutes, 1350 yen one way). The fastest way to get from Tokyo to Manza Kazawaguchi Station is by shinkansen and local train via Takasaki (about 2.5 hours, 6000 yen one way), but the trip can also be done entirely by local trains (about four hours, 3350 yen one way, one transfer at Takasaki). The Japan Rail Pass, JR Tokyo Wide Pass, JR East Nagano Niigata Area Pass, JR East Tohoku Area Pass and JR East South Hokkaido Pass are valid on the trains, but not on the buses.
By train and bus via Karuizawa
Take the Hokuriku Shinkansen from Tokyo to Karuizawa (65 minutes, around 5500 yen) and then a Seibu Kogen bus from Karuizawa to Manza Onsen (110 minutes, 2890 yen). JR passes are not valid on the buses between Karuizawa and Manza Onsen.
By bus from Kusatsu
Infrequent buses directly connect Kusatsu Onsen with Manza Onsen via Mount Shirane. The one way ride takes about 50 minutes and costs 2200 yen. Buses do not operate between late October and around late April due to road closure in winter.
By hotel bus for staying guests
Some of Manza's hotels offer free shuttle bus services from Karuizawa Station or packaged transport and accommodation plans for tourists departing from Tokyo.
Access to Manza Onsen from the south leads via a toll road that costs 1020 yen one way per car (overnight guests can get a waiver for the return journey from their hotels). Access from the north is not possible during winter due to road closures around Mount Shirane from around early November to mid April.
How to get around Manza Onsen
Manza Onsen is a compact, small town. Most attractions and hotels in the town center are accessible on foot, although the roads are steep and tend to be slippery in winter. The summit of Mount Shirane is located about a 15 minute bus or car ride north, above the town.