Admission and parking are free.
There will also be free hourly door prizes and raffle drawings for valuable grand prizes.
Exhibits will include minerals, fossils, meteorites, gems, jewelry and demonstrations by rock experts and on gold panning.
There will be children-friendly demonstrations, displays, merchandise, games and food service.
A Rolling Rock Club meeting will be held as well on Sunday, Jan. 16, at 9 a.m. in the Pioneer Pavilion.
RV rockhounds and all gem, mineral and fossil lovers are welcome.