an improved miniature golf course provides water features which may advance , retard , or randomly impact the motion of the golf ball . the features may also wet the players by spraying them , forcing them to wade , misting them , etc . the features may take the form of water jets , streams , waterfalls , cascades , swirling turbulent water , water tunnels , triggers , alternative routes to the green , alternative parts of the green reached by different water features , fountains , gratings , nets , floating fairways and greens , ramps , waterwheels , water cannons , and combinations thereof .