Dirt road off 95 heading north from Lake Havasu city,just past airport.
http://maps.google.com/maps?q=34.584694,-114.368813&layer=c&sll=34.585035,-114.368915&cbp=13,30,,0,5&cbll=34.584391,-114.36872&sspn=0.011147,0.019183&ie=UTF8&ll=34.584391,-114.36872&spn=0,0.002398&t=h&z=19&panoid=Wi4d1JqfWo1sbgX55gHUIQ