Grand Adventures did a Colorado River Kayaking tour a few years ago but stopped.  It was too hard to get permits for our guests.  It’s an awesome tour so if you want to go take EVOLUTION EXPEDITIONS. We 1,000% endorse and recommend them for your Colorado River Kayaking tours.  They are a fabulous small group tour operator too and take great care of their guests.  It’s a twelve mile paddle from Hoover Dam to Willow beach.  It’s a pretty good workout too but totally worth it!  You’ll see some of the most stunning scenery near the Las Vegas valley.