"[Google Maps] is calculating the time that you're walking a straight road on pavement," [said Maria Masiar, training officer and search manager with Lions Bay Search and Rescue]. "When you get into outdoor terrain, that no longer holds true."

Use any app that shows an elevation profile. I usually use #BRouter, but it's a website, and requires more steps to get it into the phone.

Which one do you use?

#maps #trekking #backpacking