As written in wikipedia :
Mount Rinjani or Gunung Rinjani is an active volcano in Indonesia on the island of Lombok. Administratively the mountain is in the Regency of North Lombok, West Nusa Tenggara (Indonesian: Nusa Tenggara Barat, NTB). It rises to 3,726 metres (12,224 ft), making it the second highest volcano in Indonesia.
Porter : Rp 125.000/day exclude food etc
Some contact person in Rinjani are :
- Lembah Rinjani : +6285239543279 ( Pak Burhanudin atau Pak Ali)
- Pondok Nauli : +62818362040 ( Pak DUL atau Mamiq )
- Bang AWENK : +628175773878
- Mas Anto : +6287763428395
- Mas Dowi : +6287763098080
- Mas Deddy : +628873500987 OR +6281915787872
- Mas Mowgly : +6281907978865
- Pak Johri : +6281916349666
- Mas Fikri : +6287763431789
Or more info you can check in http://twitter.com/InfoRinjani
I hope this useful for us.
Regards,
kei