To reciprocatively move a snow board in the width direction of a running surface, and easily and safely enjoy snow board by a method wherein a half pipe slope and a snow board running device are arranged, and while a moving device is moving downward along a rail, a bar is swung by a pendulum device.

A player 14 fixes foot parts (boots) to a foot part fixing device 9 attached on a snow board 5 at a riding station 13, and the body is fixed by holding the hip part by a safety fence which is formed on a hanging bar. After the fixing, by a moving device which moves respective snow boards 5 along a rail 2, the snow board 5 loading the player 14 is carried to the top of a slope along a rail ascending part 2b. Then, the snow board 5 is runningly moved along a rail running part 2a from the top to the bottom of a half pipe slope 10, and in this case, the snow board 5 is run while reciprocatively moving in the width direction of the running surface of the slope 10 by a hanging bar which laterally swings by a pendulum device attached to the moving device and also, while being rotating.