You can pay using for the various activities. You can use your own account with PayPal or a credit card. The amounts will be different from the activity flyer to account for PayPal fees.
Make sure to contact the activity leader to verify availability. Please advise name your name if not part of the email address. When you connect to PayPal this will be added to your cart. You can complete your purchase or Continue Shopping to add a different item. Make sure to select proper rate for Member or Non-Member as applies and the correct trip. When in the cart on PayPal click the more link to see the description and verify what you are paying for.