End Of Thieves by Gil Roscoe

End of Thieves is the final book in a trilogy covering one year in the life of con artist, Warren Allison. Book Three begins exactly where Book Two ended. Warren is standing at the bottom of The Grand Canyon watching a rubber raft move swiftly down The Colorado River. The raft contains his stolen one million dollars and his double-crossing partner. He has been betrayed again. Warren has nothing with him, his hand is bleeding, and he must now hike out of The Grand Canyon toward a very uncertain future. On the long trudge toward the South Rim he meets a woman who will change his life. But his reckless past will come back to haunt him and result in his being forced into one last con. He will have to slip into neutral one more time and yet again attempt to use the art of seduction in order to steal something of great value.