A recently opened pedestrian route running around the whole seaboard of England is being publicly launched.
Measuring 2,689 miles long, it is the lengthiest managed coastal walking route in the entire world, according to the government body that established it.
Its name is a mouthful - King Charles III England Coast Path - but for the initial occasion, it establishes a unbroken route, permitting ramblers to explore England's coastline mile by mile.
On its journey, it passes through some of the country's most picturesque and varied scenery, from estuaries and dunes to cliffs, coastal ridges and quaint coastal towns.
A key attraction is the renowned white cliffs of the a series of cliffs in a southern county, which also forms part of a recently announced National Nature Reserve.
Much of the inaugurated trail was previously in place, but more than 1,000 miles of new paths have been forged, and countless sections improved. Trails have been repaired, fences taken out, boardwalks built and crossings installed.
The project was initiated in the time of a past leadership, and it has required almost twenty years and several governments to get to this milestone.
Roughly 80% of the route is now available and the majority of the remainder is due to be finalised by the close of this year.
"It is wonderful - the greatest achievement I will accomplish in my working life," says the individual who led the project.
Establishing the route called for fresh laws as well as years of careful planning and considerable effort along the water's edge to create a well-defined and uninterrupted footpath.
In many places, updated permissions have granted entry to land that was once private to the general populace - including sandy shores, dunes and cliff edges between the path and the sea.
Inclusion for those with disabilities has been improved so that more people can walk portions of the route.
Discontinuities in the current system of public paths have been connected with a priority on taking the route closer to the shore and connecting sections of coastline that had not yet been linked by a unified walking trail.
But in a couple of spots, hikers must for a short time step away from the path. In the north-western region, for instance, a boat across the a river is necessary to follow the trail.
A certain part in a southwestern county is particularly challenging. At the a local river, there is no bridge or ferry, and the land away from the coast is privately owned. Walkers must therefore roll up their trousers and wade across the waterway within an 60-minute period before or after the tide being out.
"That's all part of the experience," says the project lead.
The trail has been engineered with the increased rainfall and higher sea levels that a warming planet is projected to create as a consideration.
For the first time in English law, there is provision for the route to be moved inland – described as "moved back" – if the shore erodes or changes.
This enables the trail to adapt to the changing shoreline and aims to guarantee that the seaside trail stays accessible and usable for generations to come.
Recent weeks have demonstrated how unpredictable the trail can be. An extensive part of the path on the cliffs outside Charmouth in Dorset was severed after severe storms caused a landslide.
"That section was shut and a diversion was created," said a manager for that section. "The team promptly organised a short relocation with the property owner, and within a short time the path was accessible once more."
A prominent outdoors organisation has been campaigning for improved access to England's coastline for decades. A spokesperson characterises the new path as "revolutionary".
"This establishes a strip of open land from the path to the high water mark, so that implies you can leave the trail to go and walk on the sands," the representative notes. "It allows for picnics - and on an archipelago you can really appreciate our coast."
The trail also suggests the prospect of a continuous coastal walk around the entire island of Britain.
The new English coast path links with the Wales Coast Path - an extensive route following the Welsh coastline. It was finished over a ten years ago and was the pioneering route in the world to trace an entire country's shore.
There is no single official coastal trail in Scotland, though much of the shoreline is open to the public thanks to long-standing "right to roam" legislation. Calculations of its mainland coastline vary but it is often estimated at five thousand five hundred miles.
Combined, a continuous shore hike around Great Britain would therefore total some several thousand miles. With an average pace of 15 miles per day, it would take {almost two years|n
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