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Become A Member

Front View of Digger
Front View of Digger

Front View of Digger at the Front Entrance Parking Lot to The Mammoth Site.

Membership Levels

  • Individual - $25.00
  • Family - $50.00
  • Donor - $85.00

    Includes 2 Comp. Passes

  • Contributing - $150.00

    Includes 4 Comp. Passes

  • Supporting - $250.00

    Includes 6 Comp. Passes

  • Business Partner - $500.00
Select Membership Level
Enter an additional donation below if you like!
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Postal Code
Select a Payment Method
Visa MasterCard American Express Discover

Visa®, MasterCard® & Discover® cardholders
Your security code is the 3-digit code at the end of the signature field on your card's back.

American Express® cardholders
Your security code is the 4-digit code located above the actual credit card number on your card's front.

Your payment will be

All memberships receive:
–Free admission during membership year
-Invitations to special events & lecture series
-Yearly membership pin
-Information newsletters delivered via email

Extra Benefits and Discounts
Become a Donor, Contributing, Business, Supporting or Sustaining member and receive a 20% discount in The Mammoth Site Gift Shop. 
Donor: 2 complimentary passes
Contributing: 4 complimentary passes.
Supporting: 6 complimentary passes

Benefits for Business Memberships:
Partner:  Website logo sponsorship