INHERENT RISKS:  Inherent risks of winter sports activities means those risks which are listed in this agreement, or those that can be reasonably inferred there from.  These risks are both obvious and necessary to these winter sports activities.  These inherent risks include but are not limited to changing weather conditions; surface and/or subsurface snow conditions as they may from time to time exist and change or be affected by weather, skier or other participant usage, (weather such conditions are surface or subsurface or consist of ice, Hard pack, powder, packed powder, wind pack, corn, crust, slush, cut up snow, and/or machine made or machine enhanced snow); other conditions including bare spots, forest growth and debris; stumps and trees; streambeds and other natural objects and/or collisions with such objects; collisions with lift towers, signs, hydrants used in snowmaking or for other necessary purposes, whether or not these objects are padded or shielded; collisions with well marked or plainly visible snow mobiles, snow grooming, and/or other over-snow vehicles or equipment; variation in steepness of terrain including but not limited to road and/or other terrain modification or variations in terrain that occur naturally or as the result of slope design, weather changes, snow making and/or snow grooming operation, or participant usage.