Here are reports of previous OUSGG Summer Trips, written by the people who went on them. The ones within Britain are links to Postscript articles. This year's Summer trip will be to the Pyrennees.
In addition to Summer Trips, there is also Winter Walking every year during the Christmas vac, a trip away during the Easter vac, and usually at least one weekend away during each term. For details of recent trips, see recent articles in Postscript.