Reno's Truckee River Whitewater Park runs right through downtown's Wingfield Park, built in 2003-04 as part of the city's push to rebrand itself as an outdoor-recreation stop instead of just a casino town. It's a kayak slalom course first and foremost—eleven stepped drop-pools over roughly half a mile of river, rated Class II-III—so temper your expectations: you're looking at surfable pourovers and holes scattered through the course rather than one dedicated standing wave, and which ones work best shifts with the flow. The water runs cold year-round (50-70°F) but never freezes, access is easy from either bank via the pedestrian walkway under Arlington Avenue, and the random boulders built into the channel mean a helmet and PFD are non-negotiable. Sierra Adventures runs rentals and instruction right on site if you want a local to walk you through the lines before you drop in.