What You'll Find There
Livestock shows, community exhibits, carnival rides, and local entertainment fill the four-day event, drawing families from across Cowlitz County.
Local Tips
Castle Rock is the gateway town to Mount St. Helens — pair your fair visit with a trip up to the Johnston Ridge Observatory for stunning views of the volcano.
The Fair
The Castle Rock Fair is a four-day summer celebration in this Cowlitz County community at the foot of the Cascade foothills, offering a traditional fair experience in the shadow of the region that witnessed the 1980 eruption of Mount St. Helens.
Heading to Castle Rock Fair?
Our complete packing list covers what actually makes a difference — sun protection, footwear, and the small things people forget until they need them.
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Nearby County Fairs
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