A Shepard that witnessed the fire at the Gordon Arms Hotel says it went up in minutes.
John Allan was working in his fields when he noticed smoke billowing from the roof.
He ran in and told the staff and guests to evacuate the building.
Firefighters have been working through the night to tackle a blaze at a hotel in the Scottish Borders.
Investigations into the cause of the fire are now underway.
Station Manager Matt Acton explains what the crews have been dealing with:
The owner of a Scottish Borders hotel that has suffered substantial damage following a fire says the situation "hasn't sunk in yet".
Susan Cree co-owns the Gordon Arms in the Yarrow Valley.
She says they will try and get the hotel and bar back up and running as soon as possible.
She told our reporter Jenny Longden what happened when the fire began.
The Gordon Arms has outlined some of the damage caused by yesterday's fire in a Facebook message.
In a status posted last night, it also thanked the pubic for messages of support following the blaze that broke out yesterday.
The full extent of the damage will not be clear until later today.
An investigation into the cause of the fire has begun this morning.
Owners of a Borders hotel are assessing the damage caused by a fire that destroyed 75% of the roof.
Investigations into the cause of the blaze at the Gordon Arms Hotel in the Yarrow Valley are set to begin today.
Crews from across the South of Scotland spent hours yesterday putting out the fire.
A fire has caused extensive damage to a Scottish Borders Hotel.
Emergency services were called to the blaze at the Gordon Arms in the Yarrow Valley at 2pm on Tuesday 12th May.
A number of people including one of the hotel owners and guests were inside the building, but no-one was hurt.
Group Manager Andrew Girrity said the blaze was well underway when they arrived.
The owners of an historic Cumbrian pub damaged in a fire say they will restore the seventeenth century building to its former glory and re-open.
50 people escaped the blaze at The Queen's Head Hotel at Troutbeck near Windermere last week. Large parts of the roof had completely caved in but most of the downstairs and bar area was saved.
The cause is still unknown.
The owners of a Lakeland hotel gutted by fire are searching for the anonymous person who helped ensure it wasn't burned to the ground.
A farm worker used his quad bike to get firefighters hoses to a nearby beck.
The man has so far not been traced but the owners of the Queen's Head hotel at Troutbeck are keen to find him to pass on their thanks.
Around 50 customers and staff escaped when a major fire broke out a the Queen's Head Hotel at Troutbeck near Windermere. The historic building, which is hundreds of years old, was partially destroyed. Hannah McNulty reports
The A592 near to the Queens Head Hotel, Troutbeck, Windermere has reopened following a major fire at the building. Temporary traffic lights are in place in the area.