Your jet boat should get you where you need to go. I took a zodiac and 15 horse prop about 6 miles up the river and quit when I got tired of grinding gravel. The jet boats and airboats had no trouble going much further up. I was fishing not hunting at the time.
Your other option would be to fly into Carmen Lake and float out to the hi-way with a raft, but theres no sense in doing that if you have the jet.
As the allure of hunting big whitetails becomes more and more a passion for many, we are finding that the recent (historically speaking) popularity of hunting deer from a tree stand is becoming the way to do it. I'll make no statement either for or against that technique here. This will be simply an essay on what I feel are some outstanding rifles for tree stand use.
Before we go even one more step, let's all remember that safety is first and foremost for anyone wanting to hunt...