MAHOPAC, N.Y. - The Greater Mahopac -Carmel Chamber of Commerce held its annual Holiday in the Park festivities on Saturday evening at Chamber Park on South Lake Boulevard. The event featured a visit from the jolly old elf himself, Santa Claus, as well as his wife, and the couple posed for pictures with their fans. The festivities also featured the traditional lighting of the Christmas tree.. There was caroling with the PACapellas and other family attractions marking the official kick-off of the holiday season.