The brute had become trapped after stumbling onto the active building site in Wigan and deceived by down a hole and becoming trapped in sheets of metal.
But thankfully intrepid rescuers were able to use their skills to dig around the grey mare and recoil the horse to safety.
Fire crews were called to help the stranded brute, named Ziona, after it slipped into a hole on a building area in Farm Lane, Aspull, late on Wednesday evening.
After winning the dramatic tumble, however, the poor animal was put in even more annoyance after she became trapped in corrugated metal sheets that had been socialistic in the ditch.
A fire crew from Wigan and water incident constituent from Heywood were joined by the owner, a farmer and a vet as the worked to permitted the horse.
She was covered up during the rescue late in the evening, which favoured more than three hours, as rescuers used straps, skidding boards and lightning equipment in a bid to free her.
Group manager Ben Levy, the manager in charge of the incident, said: “This was one of the most difficult animal liberates I have experienced.
“Ziona had stepped on sheets of metal, which then became wrapped nearly her as she fell into the hole. The farmer used a digger to make elbow-room for us to access the horse and after two hours we were able to free her.
“Our extravagantly incident unit are trained in dealing with incidents involving goodly animals, but they were ably assisted by our crew from Wigan and had escape from the horse’s owner, a local farmer and a vet.
“At one point the vet was very vexed about Ziona’s wellbeing, yet she pulled through and survived, which is artistic news for her owner and great testament to the hard work of the fire bands and others at the incident.
Zion, who was also sedated, miraculously escaped with at worst minor cuts and bruises and was returned home to her stables.