From the apartment we go to the parking lot under the Volcano:
https://goo.gl/maps/CbPg5hysCRXbNahFA
From there we leave the car and follow the trail south to the beginning of the ascent to the volcano:
https://goo.gl/maps/E384Dutq2GWv4HJZA
at the above point, we turn right into the path. Reaching the observation deck at the top of the volcano should not take more than 25 minutes.