The Grass Valley Cornish Christmas is an annual holiday celebration held in Grass Valley, California, that honors the town's rich Cornish heritage. The event features festive activities, including a parade, live music, and local artisan vendors, creating a vibrant atmosphere for residents and visitors alike. During the celebration, attendees can enjoy traditional Cornish foods, crafts, and performances that reflect the culture of the Cornish miners who settled in the area during the 19th century. The event typically takes place in early December, making it a popular destination for holiday festivities in the region.