hosts the International HAPE Database, a database of previous HAPE sufferers worldwide who might consider participating in future research studies.

Donate to is run by the Apex team. All of our work in altitude physiology research and education is funded from donations to the public. We are very grateful for all of the donations that we have received from visitors to this site. If you have found the information contained here useful, please consider offering a donation using one of the means below.

1. Click on the Donate button to make a donation by PayPal (please enter ' Donation' in the 'Payment for' box):

2. Post a cheque payable to 'Apex' to: Apex, c/o Dr J K Baillie, Department of Anaesthesia, Critical Care and Pain Medicine, Royal Infirmary of Edinburgh, 51 Little France Drive, Edinburgh. EH16 4SB

3. E-mail for more information

If you are planning a fundraising event or raising sponsorship for research to help prevent and treat altitude illness, we would be delighted to help you. E-mail us at