The most renown circuit in Yamanashi-ken is Sports Land Yamanashi. It is a relatively short circuit with length of approximately 1 kilometer or 850 meter when short course is used. It is popular for drifting.
Exclusive booking is possible but also free driving is possible for which a membership is required. A 1 year membership or 1 month membership are available. Free driving is being done in 20 minute frames. For cars the price for this is 2100 Yen per 20 minute frame in the weekend or 5140 Yen for a 3 hours FLEX run. In addition to this there is a 500 Yen admission fee.
The circuit is located near a highway junction in Nirasaki city which makes it is easy accessible from many areas. From the highway junction it is 15 minutes by car to reach the circuit. It is necessary to go through a tunnel underneath the circuit to get into the pit area which is on the inside of the circuit.
A link to the website can be found below:
And a link to the location on Google Maps:
Next to Sports Land Yamanashi there is also a radio control car circuit.