11 a.m. to 5 p.m. Thursday through Sunday
Closed Monday through Wednesday
Or by chance
Gallery 310 is a co-op group of area artists with a variety of styles and media available.
On the second Saturday of each month, there is a gallery walk event in downtown Hannibal from 4 to 8 p.m. where the galleries are open and offer light refreshments and many of the artists are available to visit.