REGION — The Delaware Valley Opera’s River Revels Winter Solstice celebration will take place December 15 at The Western Hotel in Callicoon, NY, and December 16 at The Cooperage in Honesdale, PA.

The pageant performance is based on traditions that date back to the medieval period. Guests are invited to sing carols and participate in the pageantry, for $20. Children under 12 admitted free. Guests can buy tickets online at delewareval leyopera.com or at the door.