The Chamber Music Connection 
[Worthington, OH] Providing chamber music education for music students of all ages (including adults) and levels.
http://www.cmconnection.org/Madeline Island Music Camp
[Minneapolis, MN] It is a nonprofit educational corporation that provides chamber music training and performance for young musicians. Information about programs and application.
http://www.music-camp.org/
Music at Port Milford
Small string chamber music camp located on the shores of Lake Ontario with a program of quartet and orchestra playing, choral singing, and private lessons.
http://www.mpmcamp.org/
Apple Hill Center
Summer camp and festival in New Hampshire for students of all ages, backgrounds and skill levels.
http://www.applehill.org/
Adriatic Chamber Music Festival
Summer event held in Bonefro, Termoli (Italy). Faculty, audition information and application form.
http://www.acmf.org/
