I've never been, I spotted the power lines behind, got my map of Calderdale out and followed the pylons...
Assuming you stayed on that side of the valley at a guess the others were Delf Hill (378), Standing Stone Hill (398), Bride Stones Moor (437/8), and maybe Hoof Stones Height (479) which looks a bit of a tussocky detour if Bride Stones was included or Extwistle Hill (242) which looks like it's off route and in the middle of a boring field. Map fondling games are quite fun!