More power won't give you a proportional increase in range.
"Always be in communication" is going to be expensive and require infrastructure. Doesn't matter how badass of a baofeng you have.
All these radios are line-of-sight radios. If you don't have LoS to the campsite or your riding buddies, you won't have simplex communications with them (thus requiring infrastructure).
I'd also be a little leery of running 10+W anywhere near your body, like you would on an atv/moto. I'm installing a mobile on my big bike, it's the low-power variant of that radio (1-25W) and i'll be running it at the lower end of that range. Probably 2W/6W. And i'll be using my S3 to meter my RF exposure with the setup on the bike.
Mobiles are generally enough for offroad use. If you find yourself regularly outriding the range of a 1-2W FRS/GMRS radio, focus more effort on group management than your radio equipment. (Ops team kept calling me on my ride to the tower that day, interrupting my fun...)
I can count on one hand the number of times i've bumped up to high power (5W) from low (1W) in teh last 5 years of riding, recreationally and professionally. Good group management will always be better than the badassest equipment. From riding group back to camp, you might want to consider other equiment like InReach or satellite messengers.