There were 18 fire crews tackling the blaze off Oldham Road in Ripponden, as of 3.30pm.
The entrance and exit to the M62 at Junction 22 is currently closed, says Calderdale Council.

1. Ripponden moor fire: Photos as 18 crews battle massive Calderdale fire that has shut M62 slip road
Smoke from the fire can be seen from miles around Photo: Jim Fitton Photography

2. Ripponden moor fire: Photos as 18 crews battle massive Calderdale fire that has shut M62 slip road
Flames from the fire off Oldham Road Photo: Mirfield Fire Station

3. Ripponden moor fire: Photos as 18 crews battle massive Calderdale fire that has shut M62 slip road
18 fire crews are tackling the blaze Photo: Mark Sykes Aerial Photography

4. Ripponden moor fire: Photos as 18 crews battle massive Calderdale fire that has shut M62 slip road
The smoke from the fire Photo: West Yorkshire Fire and Rescue Service