The "King of the Mountains" is a title awarded to the best climber in a cycling race, particularly in events like the Tour de France. This title is determined by points earned during designated mountain stages, where riders tackle steep climbs and challenging terrain. Cyclists compete for the polka dot jersey, which symbolizes the King of the Mountains. Points are awarded based on the difficulty of the climbs, with higher points for tougher ascents. This competition adds excitement to the race, highlighting the skills and endurance of climbers in the sport of cycling.