Las Vegas is one of the least expensive flights out of the SFO, OAK or SJC. In under two hours you can land yourself in the city of sin. While bright lights, gambling, shows, gourmet food, and pool parties are great, sometimes fresh air, a little hiking, and glorious scenery can be even better. Las Vegas is a central jumping off point for some amazing outdoor adventures. Here are our recommendations for the 5 best outdoor weekend warrior trips from Vegas. Get your tush up off the blackjack table and venture outside!