accommodation for the sembalun lawang route
Lembah Rinjani Homestay
10 double rooms all with cold water showers. Has a decent restaurant attached.
accommodation for the senaru route
Please see the sleep section at Senaru for details.
camping
Camping is possible at designated rest shelter areas on the ascent routes, and at the crater rim.
lodging
There is no lodging in the park itself, but some simple places to stay can be found at Senaru & Sembalun Lawang.
Tanjung on the nearby northwest coast has several more upmarket offerings, and both it and the Gili Islands are reasonably close to Mount Rinjani. Many visitors choose to stay in the Senggigi region and travel north to Mount Rinjani by road.