Ruth and I did this walk sunday and really enjoyed it, easy to follow with signs on almost ever gate, style etc. It’s slightly further than the 6 miles noted in the national trust blurrb, we found was nearer 10 miles. You can park at the university of Bath of free on a sunday, bonus!
Link: bath skyline walk
“The Bath Skyline walk is six miles of way-marked trails, passing through hidden valleys, tranquil woodlands and a patchwork of meadows rich in wildlife. It’s perfect for picnics, kite flying and to escape from the city.”
Bath Skyline Walk PDF