This one looks to be at a lower elevation. It sounds strenuous 3000ft. in 2 hours, a workout. Does the elevation of the hike make a difference for you? For example, we drive from the valley at 2500ft. to 8000ft. and then hike, sometimes to 9000ft. It is more difficult up there, we get out of breath easier. It takes a while to acclimate. Sometimes DF feels sick.
Back in the day, flying into LA Paz, Bolivia people would have to just sit for 24 hours and drink coca tea, or suffer altitude sickness. I remember heading from LA Paz by bus to La Cumbria Pass and climbing another 1000 ft. in the clouds to find an ancient Inca trail at over 12,000 ft.
We wouldn't have made it without the coca in our cheeks. Since it is mostly illegal here, I haven't found anything to replace it. It being illegal here is unjustified. The government's political wisdom associates it with cocaine, a potent derivative, but not anything like the leaves. Anybody have any altitude sickness solutions?
Sometimes, we drive up the first day and then hike the next. It affects DF more than me. It seems to vary form one person to the next. The Bolivian Indians are about the only people that can work the mines in Potosi. They have exceptional lung capacity from natural selection.
Jbee