Coastguards were called to Chapel Rock on Perranporth Beach on Friday after a report that a woman was stuck in the soft sand up to her thighs.
At 2.41pm a call was received from Falmouth Coastguard saying she was still sinking.
Five firefighters in two appliances from Perranporth attended the scene along with Coastguard and Police officers.
A 4x4 appliance carried equipment from the major appliance to the incident scene.
On crew’s arrival the lady had sunk in the soft sand almost up to her waist.
A light portable pump with hose reel was used like a sand lance pushing water into the ground and loosening the sand around the trapped female.
A triple extension ladder was placed around the lady for her to hold on to whilst the sand was being loosened.
Once the sand was soft enough firefighters pulled the female from the soft sand to safety.
The lady was left in the care of Coastguard crews who took her back to safe ground to be checked over by ambulance paramedics.
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