Canal de Castilla Rey (Palencia), considered the beginning of the Northern Branch, Valladolid and Medina de Rioseco, lying at the end of the Southern Branch and Campos Branch respectively. The countryside crossed by the canal is of interest for its birdlife. In the Tierra de Campos there are two large Special Protection Areas ("La Nava-Campos Norte" and "La Nava-Campos Sur") which are notable for the birds such as great bustards ("Otis tarda") which live in the dryland farming areas (sometimes described as "steppes") which are typical of the region. The canal, on the other hand, provides habitats for wetland birds such as the
Great and Little Kimble represented saints (the church is dedicated to All Saints). They include St Francis preaching to the birds and a large figure of St George, but not all can be identified. There seems to have been a doom on the west wall, where a devil is pushing two women into the mouth of Hell. There is a small chapel in the Tudor style, built in 1922, to the west of the railway bridge at Little Kimble. Great Kimble has a special claim to fame as the parish where John Hampden refused to pay his ship-money in January 1635/6. King Charles I,