Sleightholme Dale, sometimes spelt in one word, Sleightholmedale, is a valley in the

North York Moors The North York Moors is an upland area in north-eastern Yorkshire, England. It contains one of the largest expanses of Calluna, heather moorland in the United Kingdom. The area was designated as a national parks of England and Wales, National P ...

North Yorkshire North Yorkshire is the largest ceremonial counties of England, ceremonial county (lieutenancy area) in England, covering an area of . Around 40% of the county is covered by National parks of the United Kingdom, national parks, including most of ...

, England. The dale is the middle section of the valley of

Hodge Beck Hodge Beck is a stream that flows through the North York Moors national park in North Yorkshire, England. It is a tributary of the River Dove which it joins near Welburn south of Kirkbymoorside. The beck is long and has a total catchment a ...

(a tributary of the River Dove), below

Bransdale Bransdale is a valley running south through North Yorkshire, England, and part of the North York Moors National Park. Sandwiched between Bilsdale to the west and Farndale to the east, it is formed from the dales of Bransdale itself at the ...

and above Kirkdale. of the dale is designated a

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

, notified in 1987. The site includes woodland and

fen A fen is a type of peat-accumulating wetland fed by mineral-rich ground or surface water. It is one of the main types of wetlands along with marshes, swamps, and bogs. Bogs and fens, both peat-forming ecosystems, are also known as mires. T ...

, and includes a

heronry A heronry, sometimes called a heron rookery, is a breeding ground for herons. Notable heronries Although their breeding territories are often on more protected small islands in lakes or retention ponds, herons breed in heronries (or also called ...

, one of the largest in North Yorkshire.Natural England: SSSI citation
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References

{{Coord, 54.304, -1.00, display=title, region:GB Valleys of the North York Moors Sites of Special Scientific Interest in North Yorkshire