Join now, as your memberships you are helping to sustain this world-class institution while enjoying many outstanding benefits throughout the year.

We invite you to join or renew your membership in the RGM&HS and join other Rio Grande Enthusiasts from all over the world.

With your membership you will receive:

  • One year  subscription to The Prospector (4 issues), the official quarterly magazine of the Society.
  • A subscription to the Society’s e-mail newsletter, the Green Light.
  • Members-only emails with advance notice of Society events, programs, and offers.
  • Special benefits and features in the Members-only section of the Society’s website.

To start a new or renew your RGM&HS membership online with PayPal select one of the following membership categories below

You can also print out this Membership Application if you are paying by check or prefer to mail in your membership application and payment:

RGM&HS – Member Services
P.O. Box 16474
St Louis, MO 63125-9998

(Make sure to include your name, mailing address, e-mail address, and phone number on the form with your payment.)

Your privacy is important to us, please take a look at our Privacy Policy and our Term & Conditions to understand and how society uses and protects your information.

If you have questions, you can e-mail the RGM&HS Membership Office at

Memberships Levels

The Society offers three Annual memberships (by region) and the option of Sustaining membership for folks located in the USA.   If you’ve ever been a member of the society in the past, please pick one of the Renewal Membership levels.

Select the from the membership options below to purchase your new membership or if you are renewing your existing membership:


Showing all 4 results