Grove of Lights at Lost Hill Lake
✓ Verified 2025-2026
Where: Lost Hill Lake, 2300 Mill Hill Rd, St. Clair, Missouri
When: December 5, 6, 13, 20, 21
Hours: 5-9 p.m.; Santa meet-and-greet 5:30-8:30 p.m.
Cost: $13.70
light displays in pavilionscomplimentary s'mores and hot cocoaSanta meet-and-greetKids Zone / interactive play areavendor marketphoto opportunitieschildren $7.86attraction
About an hour from downtown St. Louis, this event venue lights up its pavilions on five December evenings, charging $13.70 for adults and $7.86 for children. Complimentary s'mores and hot cocoa come with the visit, alongside a vendor market, a kids' play zone, and Santa meet-and-greets from 5:30 to 8:30 p.m.
Best time to arrive. Sunset in St. Clair is around 4:57 PM in mid-December, fully dark by about 5:26 PM. A typical December night here bottoms out near 24°F, so dress for standing around outside.