Official Tourist Bureau,
Text on page 159
6th day. From Sembaloen to the Segera Anak (6600 ft.), the great crater lake of the Rindjani; pitch the tent there and stay overnight. This trip can be done only partly on horseback.
7th day. From the crater lake via the crater of the Rindjani (12500 ft.), back to Sembaloen, on foot.
8th day. From Sembaloen back to Sawila.
9th day. From Sawila back to Selong.
10th day. From Selong back to Mataram.