Ahead of this Saturday's free 16-page guide, How to Take Great Summer Photos, we'd like to see your favourite summer holiday picture.
Have you taken a summer holiday photo you're really proud of? Whether you were trekking in the Himalayas, clubbing in Ibiza or stuck indoors playing dominos on a rainy afternoon, show us the photograph that best captures the moment.
Click on the blue 'contribute' button to get started.
Closes Saturday 20 July 2013 at 11pm.
- GuardianWitness is the home of user-generated content on the Guardian. Contribute your video, pictures and stories, and browse news, reviews and creations submitted by others. Posts will be reviewed prior to publication on GuardianWitness, and the best pieces will feature on the Guardian site.