The answers below cover almost everything guests ask before booking. Two points are worth pulling out of the list, because they are the ones that change whether this place is right for you.
The bathroom is outside. It is walled, private, plumbed and has hot water, but you walk out of the caravan to reach it. In winter that is a cold thirty seconds twice a day. Most guests decide it is a fair trade for showering under an open sky at sunrise. If you are certain it is not, book something else and enjoy it more.
The last seven kilometres is gravel. A maintained farm road through the mountains, fine for an ordinary car, slow rather than difficult. It is also the reason there is nobody else out here.