Lassen County Fair 2025. Lassen county chamber of commerce, spring home, garden, and outdoor recreation show. The 2025 fair will run from july 16th through the 20th and the chosen theme will be used in print ads, marketing materials and signage during the fair.
Lassen county fairgrounds 10 am to 3 pm. The 2025 fair will run from july 16th through the 20th and the chosen theme will be used in print ads, marketing materials and signage during the fair.