Bridleway(s) from Seatoller to Wasdale Head (which one of the ones dropping into Wasdale is best?)
The zigzaggy one on the left side of the beck
Bridleway from Stonethwaite to Langdale via Stake Pass
OK coming down, but pretty knackered and being rebuilt at the moment so a bit frustrating
Bridleway from Sty Head to Langdale (via Allen Crags and Rosset Pike)
Scenic and plenty carrying/pushing (even downhill)
Bridleway from Stonethwaite to Grasmere via Greenup Edge and Easdale
Don't go there (at least with a bike)
Bridleway from S end of Thirlmere to Watendlath via Blea Tarn
OK if you take the forest road options as far as you can. A bit indistinct towards the top – better going the other way.
Are you planning a tour? Mail me if you want suggestions