That goes for me, too. ..... To the South of Gloucester around the lanes along the Severn, with views to the Cotswolds, the Malverns and the Forest of Dean. I have done 90% of my cycling there, but never tire of it.
Apart from that, of all my rides in Britain, special mention must go (in no particular order) to my Top 10:
(1) From Inverinate (Lochalsh, Scotland) around Loch Duich and over the Mam Rattagan Pass to the Glenelg ferry terminal. Stunning views across the loch to the East, and towards Skye to the West.Once there, you can detour past the Highlanders' memorial and either up a little valley containing ancient Pictish brochs, or along the coast past the "Ring of Bright Water". Magical.
(2) Yarmouth loop (Isle of Wight) via Newport then down to Shanklin, calling in at Ventnor for a pint at my favourite pub in Britain, (the Spyglass Inn) before climbing back up the cliff and following the South coast of the Island all the way back to the ferry terminal in Yarmouth. A grand day out.
(3) Lochcarron to the top of Bealach Na Ba (Applecross Peninsula, Scotland) .... The most dramatic (almost Alpine) climb, with the most tremendous scenery you will find anywhere in the UK. Simply breathtaking views across to Raasay and Skye from the top.
(4) The BHF Cotswolds Bike Ride. An annual ride out from Cheltenham every May that takes in the very best of the Cotswold scenery and villages.
(5) The Norfolk coast between Happisburgh and Cromer. Pleasant sea views , and even some little hills on the way, (which I hadn't expected in Norfolk).
(6) Dartmoor. Wild, windswept, hilly.
(7) The Snake Pass and Edale, (Peak District)..... though I've only recently done it, and only when the road was closed to traffic.The descent of Winnats pass into Castleton when leaving Edale was simply stunning. Wouldn't want to ride it the other way as it's about a 20% gradient.
(8) The New Forest, taking in the Rhinefield and Bolderwood ornamental drives.A nice mixture of moorland and deep forest.
(9) Forest of Dean loop .... Ruspidge, Soudley Woods, Mallard's Pike, Cannop Ponds, Speech House, Ruspidge. Simply stunning in May when the bluebells are at their best in Soudley Woods.
(10) The Strawberry Line (Somerset) ... One of my favourite off road cycleways on former railway lines, running through pleasant countryside and villages, with the chance to extend the ride around the edge of the Cheddar reservoir and up the Cheddar Gorge. To ride the gorge, avoid weekends, high summer and bank holidays, though.
......
etc,
etc,
etc.....
The more I ride, the more favourites I accumulate.