Underground bunker head towards bacup rec just before the main gates there's a telephone mast on your right .the bunker is near the base of the mast.side of the golf course.have to have a good look around since its wildly over grown.but should be able to see the concrete vents.painted army green.its got a weighted hatch with ladder leading down into it.beds were still in it last time I saw.very little vandalism.bit wet tho.a few puddles