Nozawa is connected by bus from the Iiyama and Nagano Dentetsu train lines.  From Nagano Station take the Iiyama line to Togari Nozawa Onsen Station (a 60 minute journey).  There are trains almost every hour and most trains have a direct bus connection.  The bus ride takes about 20 minutes. 

If you take the Nagano Dentetsu Line, get off at Kijima Station and take the bus to Nozawa.  There are also a few direct buses from Nagano Station East Exit to Nozawa Onsen.

By car, get off the Joshinetsu Expressway at Toyama Iiyama IC and take Route 117 to Nozawa.