Originally Posted by
njkayaker
Google maps work best if you have cell service. If you used Google, You should have a backup for it.
Paper maps often don't have enough detail and it can be hard to locate where you are on them.
You can download Google maps into your smart phone so there's no need for cell service.
One reason I went with a Garmin GPS was the frustration of not knowing where you're at and spending time approximating your exact location on a paper map. With my phone, I'll know in 2 seconds (or less) my exact location!
Once Google maps are on your smart phone, you don't need to pull data and your battery goes a long way! The Garmin GPS sips batteries and I prefer ones that exclusively use AA only. I can walk into a store and buy a pack of 12 AA batteries or 13 days of touring! This doesn't include the rechargeable ones I'll bring along.
I'll be honest and state that Garmin GPS systems have their issues. As backup, I'll turn on my phone and Google maps is just amazing at how fast it determines your location.