If you make it to Karuizawa, and you like soba, this is the place. Cold noodles and cold sake make a great combination and this restaurant is delicious!
Slightly hard to get to unless you've rented a car. These area is famous for their soba but various places serves various levels at different prices. I found Sasakura to serve high quality soba at a reasonable price, not so cheap but not so expensive....More