Saint Thomas Camp is a Catholic overnight summer camp near Monarch, run by the Diocese of Great Falls-Billings, for youth in 5th through 12th grade. Weeklong sessions are organized by grade and gender and center on encountering Christ through daily sacraments, community and outdoor recreation in the Montana wilderness.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact Thieltges St Thomas Camp directly before you register or pay. Last checked August 2026.
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★★★★★Joni Pepmeyer
★★★★★Cera Hoyer
★★★★★star lordGreat camp with excellent counsellors that genuinely care about kids. They incorporate faith filled activities, fellowship, and fun into a week. Mass everyday is insurance that campers will get the full Catholic experience. Combined with other Sacraments, the camp leaves guests with the feeling of Jesus inside of them and encourages them in their faith.
★★★★★Michael CroisetiereGreat time at Montana Fiddle Camp. The facility was perfect for our needs.
★★★★★Lynn SmithI come here for the Montana Fiddle Camp every year. The facilities are not fancy but it's comfy. The area is beautiful.