Far off the main roads, tourism here is even sparser than the route from Lushoto to Mtae, but the violet-covered hills and butterfly-filled cloud forests do lure some visitors, who can access the park independently or through a tour.
On the mainland, the glacier-covered cone of the Cerro Macau volcano peeked above the cloud and the straggly fishing port of Puerto Montt came into view.
But walking in Bolivia is also an experience in diversity: one day you can be in snow-covered mountains and the next you might descend through moss-strewn cloud forests to jungle lowlands.