Translation of joke in Spanish

I hope you can understand the corrections this way... Two small errors. let me know if there is a word or sentence or phrase that you didn't understand! I will try to think more on the "since" question...
you should try to go to the verb drills in the verb menu, they helped me a lot. I wasn't really motivated for it at the beginning but now I am motivated for everything. I am also interested in learning Russian.
The view of the valley, the lakes and the surrounding volcano mountains were breathtaking. We stayed there for nearly one hour and had a little snack. From there we continued to have lunch.