The blaze took hold in an area of gorse near the tourist attraction at about 3:00pm on Saturday, April 3.
Officers say a man who was wearing a dark t-shirt, grey joggers and black cap at the time “may be involved”.
A fire took hold near The Falkirk Wheel on Saturday afternoon. Picture: Michael Gillen.
Anyone who was in the area around that time, or who has relevant information, is asked to contact police on 101.
Quote incident number 1112 of April 4.
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