Translation of incidental in Spanish

We were indeed the only ones there so we took our time and enjoyed the moment. A little later we ate lunch which consisted of the snacks we had brought and a coconut. It was only one o'clock.
However, his English was excellent and we soon found out that he was an English teacher before the war. We agreed on a price for showing us the entire area during the next 2 days. We took a nap and he picked us up later.
The road was a really horrible, but the lakes and the surrounding woods were colorful and impressive. We drove for two hours through the forest towards San Martin de los Andes, but decided to turn back before it got dark.