When we can travel again…Lago di Gramolazzo is about a 1 hour drive from Bagni di Lucca. It is a beautiful spot for a picnic and swimming…if you don’t mind cold water. I drove there via Piazza al Serchio. My GPS actually sent me to the wrong place, past the lake to a pretty walking track.
The mountains in this area are spectacular. I didn’t mind the detour.
The walking path is in the valley of the Orto di Donna – Val Serenia, an ancient glacial valley created about 10,000 years ago. The path starts near the car park at an altitude of 1068 metres above sea level. It is an easy walk, only 500 metres long. All along the path there are wonderful views of the surrounding mountains.
On the way back I could see the lake from the road.
The lake was very quiet the day I visited. None of the nearby restaurants or cafes were open, but I could see that it be a popular place in summer.
There are hundreds of places to visit within and hour or 2 of Bagni di Lucca.
Bella Bagni di Lucca 
What a lovely place to visit and not all that far away. Guess your extended stay means you have the opportunity to explore a little further afield.
I have certainly had more time this year to get to know the nearby areas. Travel restrictions have clipped my wings somewhat but I get out when I can. With a bit of luck things will be better by spring.
A beautiful spot!
It is lovely. It would be great in summer too.
Oh, I love that area! Great exploring and hiking. Next time, and when they’re open, do visit my friend Carolina – who runs Trattoria da Morena. Only open for lunch. It’s about 10euro, and delicious! Wonderful people, and if you time it right, her kids will clear your table. (They’re super cute, probably aged 5-8…) https://www.google.com/maps/place/Trattoria+da+Morena/@44.1613871,10.2468282,16z/data=!4m13!1m7!3m6!1s0x12d514a83ab802c1:0xa74e42b7144c3450!2sLago+di+Gramolazzo!3b1!8m2!3d44.1638886!4d10.2523015!3m4!1s0x12d5135b00e1847f:0x51636ec595aa3dc0!8m2!3d44.1577562!4d10.2456334?hl=en
With some luck early next year could be a good time to try.