Looking up from the screen as you search also helps you keep an eye out for nearby hazards.
The map view shows how close you are (plus or minus abut 30 feet), but it won't show you the best route to take to get to a cache. You decide that by paying attention to terrain details on the map, as well as your surrounding environment. Looking up from the screen as you search also helps you keep an eye out for nearby hazards. Switch to the compass view when you get close because that can point you in the direction where you should look when you're in the immediate vicinity of the cache.