The cooperation of European Williams Syndrome organisations has lead to annual international camps with youngsters with Williams syndrome. Most of the Camps have been sponsored by the EU ‘Youth In Action’ and more recently Erasmus+ program. Here is the list of camps from the past years:
| Date | Country |
Camp Name |
| 2018, May 18 – 21 | United Kingdom | Skegness |
| 2017, July, 10 – 17 | Italy | Teamwork makes the Dream Work
|
| 2016, July, 3 – 10 | Ireland | FEWS – Our Music, Our Culture |
| 2013, July, 7 – 14 | Hungary | Sharing good practices for improving the quality of life of rare disease patients in V4 countries |
| 2013, July, 7 – 14 | Belgium | Williams Body and Soul |
| 2012, August 1 – 8 | Spain | I Feel |
| 2010, July 17 – 24 | Italy | Cerwood Camp |
| 2009, August 3 – 13 | France | Action in Provence |
| 2008, June 30 – July 9 | Germany | WS Camp on Tour, nature and adventure |
| 2007, July 30 – August 6 | Sweden | Sound and Action, an experimental Music Camp for people with Williams syndrome |
| 2006, July 7 – 16 | Hungary | International Adventure Camp |
| 2005, July 12 – 19 | Norway | Conquer Nature under the Midnight Sun |
In 2017 a camp is planned in Italy. In 2018 a camp is planned in the United Kingdom.
Some national Williams Syndrome associations organise also summer camps for Williams people:
Past Years Camps in Hungary
| Date | Link |
| 2012, July 8 – 15 | www.williams.org.hu |
| 2011, July 1 – 10 | www.williams.org.hu |
| 2010, August 2 – 11 | www.williams.org.hu |
| 2009, July 3 – 12 | www.williams.org.hu |
The Irish association has a yearly music camp for people with Williams syndrome.