Originally Posted by
hivess
I was also suggested Irazu Volcano/ Turrialba how does that compare?
The Irazu Volcano pretty much looks like a light blueish-green lake inside a crater. The Arenal Volcano is much more impressive and you can often see the red lava flowing out of the top at night and smoke or ash coming out in the day (that is when the view isn't obstructed by clouds).