From San Martin from the Andes, to leave for RN234 toward the east, to enter to the left for RP48.
In the km 1 this the entrance to the National Park Lanín., continuing the road to collect to the km 2, to the left, entrance to the Mirador of Bandurrias ( 5 km ).
To continue to the right for main road. And in the km 7, after ascending between forests and grasslands, you consents to the valley of Trompul that runs parallel to the lake Lácar , in the Km 10, to the left, is the Stone of Trompul, rocky formation that thunders strongly with the wind, advancing storms.
In the km 16, there is a deviation to the right to stay Quilanlahue, with good views to the Hill Chapelco and ski pastas. The road goes into in a leafy lenga forest and raulí, leaving the cypress forest that covers the driest lands, behind to the east of the lake Lácar . The journey begins to descend in zigzag. In the opposed bank, the hill Fan is observed.
In km 27, in the middle of forest, is access to left to the lake Lácar and to the camping site area Yuco, with beach.
The road continues faldeando the hillsides of the hills Quilanlahue and Bad. In km 31, to the left are slope to stay Quechuquina, located, the same as Quila Keno, in the wide deyección cone on the lake, the stay possesses big you parcel forestadas, nursery and sawmill of long it dates. In km 37, to left, educational camp Nontué to entrance to a free camping site on the lake. In km 38, crossing the bridge on the stream Nontué is entrance not well signalled to left, to the lake Nontué : narrow road that consents to beautiful camping site place, near the narrowness that unites the lakes Lácar with the Nontué.
Continuing for the RP48, in km 42, the Hostel Hua Hum on the lake with wide garden and jetty offers foods to the travelers. It is opened in summer season and in time of lacustrine trips. It worked here from 1917 to 1946 the sawmill of Van Dorsser, the first one to vapor in the lake Lácar .
In km 43, final of the lake, to the left the Customs, in the event of crossing Chile in automobile, to carry out the steps customs officers here. Immediately after the customs and of an old house of peculiar architecture, there is road that enters to the left toward the Lake Queni .