Confusingly , the forest contains no trees other than the windbreak of Skiddaw House .
Forest is a marshy upland area , at around 400 m ( roughly 1,300 ft ) , surrounded on all sides by higher fells .
Confusingly , the forest contains no trees other than the windbreak of Skiddaw House , but it is a marshy upland area , at around 400 m ( roughly 1,300 ft ) , surrounded on all sides by higher fells .