Anyway, to cross this route, of course you have to pay an entrance ticket. Bike Rp 8 thousand on weekdays, Rp 9 thousand on weekends / holidays. For people to forget to pay, about 30 or 40 thousand. So yes, just add it. Also make sure if you want to pass by, tell the ranger if you want to go out via the Governor of Forestry to Kertasari.
Also be careful with the field motorbikes passing by. Just give the way if you hear the sound of the exhaust from far away.