What a trip, a little bit of everything. Of course I brought my POC but I also took my in home stationary concentrator. Used that in the motel rooms and when visiting relatives homes. Also brought some back up "E" tanks. The POC did most of the work but one day with the temp. about 95 and the humidity like 90% and we were just playing a game of backyard crochet I about keeled over. Then at one of the kin's houses they have so much stuff just laying around all over the place and my tubing would catch on everything. Went boating as well. Kept the POC in the boat while my wife and I were being pulled in big tire tubes and a 50 ft. tube hooked on. Big risk, but you only live once, so if something happens like the POC going overboard or myself under water I guess it's meant to be. I will not sit around and say I can no longer have fun because of my handicap. Stopped in the car a few times in the higher altitudes to snap some pics. Boy, just a little walking at 7000 to 10,000 feet makes a big difference. Heard this one boy saying to his dad, what's wrong with that guy pointing at me that he has to stop like he just ran 5 miles every minute or so. He doesn't look as old as Grandpa. Then a dude in the marajuana stores in Colorado said I don't know if we should sell you anything, it might take the rest of your life out of you. I said: ba-humbug that's what will keep me going. Yea, it's a pain hauling O2 around the country and having to deal with all the problems it causes but it's better than just laying around afarid to go anywhere because of it. Then from sitting in the car for so long it did a number on my sciatic nerve and my back went out on me. The doctor said I can't give you any pain killers because they will interfere with your upper respiratory. Took my O2 and went and sat in the Best Western motel jacuzzi hot tub for pain. If you prepair a little in advance it can be almost normal again. JustDoIt