Lewis County Summer Carnival And Picnic 2024 Dates. Make reservations early whenever possible, but especially during the busy summer season from memorial day through labor day. Select accommodations based on your preferences and.

Sunday at the lewis county fairgrounds pavilion. Whether you’re into fishing, kayaking, paddleboarding, or simply lounging on the shores with a picnic, places like mayfield lake, riffe lake, and cowlitz river provide.