Related Clues:
- Finishes last of the Riesling, Viognier and most of 23 down from cave
- Six-headed monster in Greek mythology
- Cave reached when crossing river
- Cave is like the pits, mostly round
- Feature of the gardens at Versailles
- Hollow unfortunately got filled with garbage
- Legendary rock singer from Liverpool on vocals
- Protagonist dismisses Spain as a possible destination for Christmas visitors
- Turns up good books to initially read on great place to go for the Christmas presents
- Rubbish to put in fancy hollow?
- Spelunking locale
- Santa's base
- Mostly unpleasant round small cave
- Doctor calls scurvy ultimately a danger to sailors
- Charybdis's counterpart, in Greek myth