The Tow Tank website is: towtank/www/index.html
The site is hosted in the AFS locker 'towtank' found at /afs/athena.mit.edu/org/t/towtank. You can access it by logging into athena as yourself and then modifying the files in that directory. Any member of the moira group towtank-www can edit the site. You can check if you are a member through the moira interface: https://groups-mit-edu.ezproxy.canberra.edu.au/webmoira/. If you are not a member and would like to update the website, ask Maria to add you through the moira interface.