On the Ffestiniog & Welsh Highland we have rather a lot...
Bontnewydd, Dinas (though 99% of trains will stop), Tryfan Junction, Plas-y-Nant, Snowdon Ranger, Meillionen, Nantmor, Pont Croesor (again, 99% of trains will stop), Boston Lodge Halt, Penrhyn, Plas Halt, Dduallt and Tanygrisiau...