Unusually for Co. Kildare, hills feature on the landscape with a range of hills running almost parallel to the canal to the east. Quarrying is gouging the Hill of Allen, fabled dwelling place of Fionn MacCumhaill and his legendary warriors, but its inverted-saucer shape surmounted by a folly from the 19th century is still distinctive. The tower was built by Sir Gerald Aylmer, landlord of nine thousand acres in County Kildare. The names of locals who worked on its construction are inscribed on the eighty-three steps to the viewing platform. The Hill of Allen is followed by a range of hills, which separate the bogland from the Curragh plains to the east. After the 21st lock the surfaced towpath gives way to a grassy trail on a pleasant embankment. The canal swings gently to the east and west as if showing off the skills of the engineers who planned its raised curves across the landscape. A gem of a small aqueduct leads across a tributary of the River Slate, which runs parallel to the canal to the west. At Glenaree Bridge, switch to the east bank of the canal which forms a fine and wide grassy path. Here coniferous for- est on either side combines with the waterway to form a unique stretch of canal space. 21st Lock at Ballyteige Heron 38 COUNTY KILDAREā€™S TOW PATH TRAILS