Modern-day mile markers made of Welsh slate are guiding walkers on the Pembrokeshire Coast Path National Trail.

Voluntary wardens have teamed up with Pembrokeshire Coast National Park Rangers to put up the markers at key points along the world famous 186-mile route.

Around 16 have been installed so far, replacing the old style wooden Coast Path mile markers, which have a life-span of about 15 years.

National Park Ranger Ian Meopham said: "When the wooden markers come to the end of their innings we are now replacing them with these fabulous slates.

"We've had some lovely feedback from members of the public who have passed them on route. They do look very smart and what's great is that these slates will last for hundreds of years. They will be the milestones of the present day."

The slates have been engraved by St. Davids craftsman Malcolm Gray and funded by donations in memory of people who have walked and loved the Pembrokeshire Coast Path.

You can see the markers at locations including Dale, Martin's Haven, Broad Haven, Nolton Haven, Newgale and Whitesands Bay.

For downloadable maps of walks on the Pembrokeshire Coast Path National Trail - from short strolls to long-distance hikes - visit http://www.pembrokeshirecoast.org.uk/walking">www.pembrokeshirecoast.org.uk/walking.