I and groups (Jakarta Community) will explore The Northern Philippines, I need some info and helps from local friends to give a reference book ticket boat, sleeper bus, domestic flight and van. If anyone of you can help me, please info ya, we don't mind to share any tips for local friends who help us.
[ Edit: Edited on 16-Jan-2016, at 00:39 by sandrajkt ]
You can start with a travel agency in your own hometown or next bigger city.
You should narrow down where in Northern Philippines you want to visit. That way you can research hotels and things to see and do type information.
You need to work up a budget and determine how much per day you have for spending money. This is after figuring in the cost of transportation. Know about any visa requirements.
Even a Google search can be helpful but you still have to refine any search info for accuracy.