Lake Powell • For kayaking guide Jessie Pulliam, each trip to Antelope Canyon on the southern shores of Lake Powell ends with a workout.
The concrete slope of the Antelope Point Launch Ramp hasn’t touched water since last winter due to dropping reservoir levels, and like other paddling guides who offer tours near Page, Ariz., the 23-year-old Pulliam has grown used to hauling heavy kayaks up the steep, sandy slope that now separates the ramp from the water.
Every day since she started the guiding season in March, the hike has grown a little bit longer. But when she returned from a short vacation earlier this summer, she fully grasped the speed at which the nation’s second-largest reservoir is shrinking...