To reserve more than one program, click on the "Next" button (below)
and then click the "Continue Shopping" button on the following page.
If you're 65 or over and want the senior discount, choose the "Snr (65+)" pass only. There is no need to purchase both an adult and a senior pass.
Enter a zero (0) in any field for which you do NOT want passes.
Be sure to click on the "Book" button on the final summary page to finalize your reservations.
For reservation questions and general information, call 432-426-3640 or email us at reservations @ mcdonaldobservatory . org (remove the spaces.)