Verb conjugation of "encalar" in Spanish

The bus left Havana and drove westwards towards a place called Viniales. After a short two hour ride we arrived there and once the bus entered the terminal we were greeted by dozens of people.
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
We walked by waterfalls and rivers, but the water was too cold to swimm in. The hike made us tired and we were in the valley, which meant that we had to climb up again. The climb was difficult.