Latest Registration of services operated from 28th March 2015:
Service 73/73A: Caldbeck to Keswick. To amend Route and Timetable. 

Service 77/77A/86: Keswick to Buttermere. To amend Route and Timetable. 
Service 78: Keswick to Seatoller. To amend Route and Timetable. 
Service 505: Kendal to Coniston. To amend Route and Timetable. 
Servcie 508: Penrith to Windermere. To amend Route and Timetable. 
Service 516: Kendal to Dungeon Ghyll. To amend Route and Timetable. 
Service 554: Wigton to Keswick. To amend Route and Timetable. 
Service 555: Lancaster to Keswick. To amend Route and Timetable. 
Service 599: Kendal to Grasmere. To amend Route and Timetable. 
Service 755: Morecambe to Bowness. To amend Timetable. 
Service X4/X5: Keswick to Penrith. To amend Route and Timetable.
Service 73/73A Caldbeck to Keswick. Summer service.
Service 208 Keswick to Patterdale. New Summer service.
Service 508 Kendal to Windermere. New summer service, CCC School holidays, Saturdays, Sundays and Bank Holidays 

I'd imagine if the 208 will be made to connect with the 508 at Patterdale, that trip will be stunning.