If you just want to scour North America for camps for kids, www.camppage.com is a helpful finder. Here's a link to their horse-camp finder:
http://www.camppage.com/equestrian_horseback_riding/equestrian_camps/horse_index.htm
The Minnesota Horseman's Directory, on the MN Horse Council's web site, has 50 listings for horse camps: http://www.minnesotahorsemensdirectory.com/category.php?category=camps
The Minnesota Horseman's Directory, on the MN Horse Council's web site, has 50 listings for horse camps: http://www.minnesotahorsemensdirectory.com/category.php?category=camps
The YMCA offers a number of different camps with horseback riding programs in Minnesota and western Wisconsin. Learn more about them at http://www.ymcatwincities.org/camps/.
Below is a list of stables offering summer horse-camp programs who have contacted me or been brought to my attention. Programs are day-camps unless noted. I'll keep adding as I learn of more. Note - this is not an endorsement of any program(s), just a list of what's available.
St. George's Dressage Academy, offering sessions for children and adults in Stillwater, MN
LeFever Training Center, offering an Arabian-centered program in Hudson, WI
Woodloch Stable, offering horsemanship day-camps in Hugo, MN
Bunker Park Stable, offering horsemanship day-camps in Andover, MN
Circle R Ranch, an overnight horse-camp in Long Prairie, MN
Nature's Divine in Becker, MN
Skyrock Farm in Hamel, MN
Majestic Pines Farm in Afton, MN, offering "Little Pines Adventures." Website coming soon.
Lori - 612-328-0957
My Legacy Farm in Corcoran, MN
Camp Shamineau, an overnight children's and family camp in Motley, MN
HHH Ranch - Hastings Horses & Huskies - offering horseback riding day-camps in summertime and dogsledding in the winter. Located in Hastings, MN.