If it's a nice guitar, then don't bring it. It's not too much to bring; I've walked many miles with a 40+ lb pack and a guitar in a hard case, but it does take dedication. You have to really want that guitar, and if you want it to survive long you need a hard case instead of a gig bag. Travel is hard on a guitar, it gets banged around, it goes from humid to dry to hot to cold, the wood is constantly getting flexed and many guitars are prone to warped necks under traveling conditions. If you do much traveling, you will definitely have to carry that guitar many miles until your hand is calloused from the handle, but at the end of every day you'll be glad you had it.
But even though it can be a lot of trouble, having a guitar is really worth it; you always have something to do and work on, you have a skill you can use to make money nearly anywhere, you have a chance to meet and learn from all kinds of unique, amazing musicians. If you're a musician, having your instrument on the road can make a huge impact on your experience. In the few situations I've wound up without an instrument, I've worked really hard to fix it as quickly as possible.