Events for Saturday, Sept. 12, 2026 › Recreation Services › – City of Longmont

Recreation Services Events

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All Day

Leisure pool at Longmont Recreation Center with view of the two slides and spray features.

Recreation Center Pool Closures (9/12/2026)

Saturday, Sept. 12 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont

10:30 am

black and white historical photo of women in hat next to child in front of Sandstone Ranch house

History Tour at Sandstone Ranch

Saturday, Sept. 12 · 10:30 a.m. - noon History Tour at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont

4:00 pm

Modern Callahan House

Callahan Fall Open House at ArtWalk

Saturday, Sept. 12 · 4 p.m. - 8 p.m. Callahan Fall Open House at ArtWalk Series

Callahan House 312 Terry St, Longmont