Water.com Spring Back to Nature Sweepstakes ~? entries~ends October 31
cant find out on how often you can enter

First Prize: Kayak Set (ARV $525).
Second Prizes (5): $250 LL Bean Gift Certificate.
Third Prizes (25): $75 LL Bean Gift Certificate.
Fourth Prizes (100): National Park Package (ARV $50).
Fifth Prizes (500): 1 year subscription to Outside Magazine (ARV $18).
Sixth Prizes (2,000): 12-Pack of Crystal Springs, Hinckley Springs or Kentwood Springs Water .5 Liter bottles (ARV $4.99).

http://www.water.com/sbtn/sbtn.html