Early morning walks before 9:00 AM are too dangerous for tourist, late night walks after 11 PM are crazy dangerous.
Dogs Running in Packs Attacking Tourists in Guatemala
Maybe it is time to start carrying a walking stick, dog packs usually respect the stick!
Besides, it keeps you from falling down!
Maybe the lake could use some Chinese expats. Turn the dogs into a meal and control the caine population. I jokingly told my wife that and she didn't appreciate it.