Possible Clues:

• Santa's direction
• What's up?
• Up on the map
• Berton's The Mysterious______
• Top of the map
• Bridge bidder, perhaps
• Marianne --, flower painter who had a gallery at Kew Gardens named after her
• The main point of Russian Orthodoxy
• Pole enthralled by Russian Orthodoxy
• Berth with this direction would just be