Mt. Si Gymnastics Academy runs half-day summer camps at its North Bend gym. Themed Summer Camps run Monday through Friday 9:00am to 12:00pm for ages 3 to 11 ($400/week), with weeks such as Artful Antics, Mad Science & Mystery Mayhem, Animal Adventures, Pirates & Princesses and Wacky, Wet & Wild; a separate Gymnastics Camp for girls ages 6 to 12 of all skill levels runs Tuesday through Thursday 12:30pm to 3:30pm ($195/week), and a Ninja Camp for ages 5 to 9 runs Monday through Thursday 12:30pm to 3:30pm. Campers bring a snack and water bottle; themed-camp attendees must be potty-trained. Full payment is due at registration, and cancellations 30+ days out receive an account credit less a $50 fee.
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 Mt Si Gymnastics Academy directly before you register or pay. Last checked August 2026.
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★★★Pamela SavagaonkarWe desperately need a strong gymnastics program in the Snoqualmie Valley. Mt. Si Gymnastics offers a local option and the staff have been kind, but our experience was mixed. Communication was one of the biggest challenges. Information often came from multiple email accounts, and there were times when group emails were sent without using BCC. I frequently struggled to find important information related to competitions and events, including schedules, locations, and event details, because the information was not always included in the emails or easy to locate. I provided this feedback several times during our enrollment. We also attended gymnastics competitions and noticed that athletes from several other programs appeared to be receiving stronger coaching and more advanced instruction. The program has potential, and with stronger communication, organization, and coaching development, it could become a much stronger option for local families.
★Lacey CUnfortunately, my experience with this business was extremely disappointing. The person operating it was unwelcoming and unfriendly, making for a very unpleasant interaction. If the business reflects the attitude of its operator, I would strongly suggest looking elsewhere.
★★Janelle NovakOur child was in Academy 1 for 2.5 grade years, being told that they could not move up a level without demonstrating certain criteria that they did not focus on individually in class. A 1-hour class had many water breaks, more playtime than developing skills and many different entry-level instructors. On a last attempt to try to move up, the owner never followed-up on 1:1 private lessons instruction. Regret not switching programs earlier!
★★★★★Nicholas LindsethMy family just moved to North Bend, we highly recommend mount si gymnastics! They are very kind, great with kids and good pricing!
★★★★★Lisa FairmanYou will fall in love with this gym! Everyone we know that attends classes here is so happy with the teachers and quality of gymnastics. My daughter has attended many birthday parties here and I am impressed with the personal touches they add for each kiddos birthday. The staff is warm and friendly. I recently started selling my active apparel line to this gym and am so impressed with the owner and the staff. The gym is clean and welcoming, great place for kids to flourish.