You can reach ketambe in different ways :
Nice car with fresh air condition, it cost you 1 milion IDR, duration 7 hours.
Nice car with fresh air condition that you share with other people. Contact me to organise it. 250 000 IDR per person.
Need take a public taxi from the airport medan and tell to the driver want to kutacane /medan by BTN.
This is a local transport company they drive a route avery night, with 5-7 peoples per bus and lots of language.
You can check in at their station during the day time. It take 8 hours, cost 90 000 IDR per person.
Contact me directly to book accommodation.
Cost between 50 000 to 150 000 IDR.