River Gipping
The source of the River Gipping is in the village of Mendlesham Green. It rises to the north of the village, just above the contour, and is fed by waters drained from fields. It heads towards the south-west, passing under the main street of Mendlesham Green by Green Farm, a grade II listed timber-framed and plastered farmhouse dating from the sixteenth and seventeenth centuries. It continues in the same general direction, passing Great Gipping Wood and Old Newton Hall, both on the north bank. The hall is a grade II* listed structure, dating from 1600 to 1630, with later additions. The joinery in one of the rooms in the left wing is exceptional. By Stonebridge Ford, the river is joined by a stream flowing northwards from Columbine Hall, a grade II* listed former manor house built of flint rubble around 1400, and another stream flowing southwards from Old Newton. By Bridge Farm, another timber-framed and plastered farmhouse dating from the late sixteenth century, Newton Bridge carries the B1113 road over the river, which then passes under a railway bridge, crosses the contour, and is joined by Haughley Watercourse, which flows southwards through Haughley and Dagworth.
Gibbon River
The Gibbon River rises in the center of the park at Grebe Lake. It flows for a short distance into Wolf Lake. Below Wolf Lake, the river flows through Virginia Cascades into the Norris valley. It flows near the Norris Geyser Basin and through the Gibbon Geyser Basin. From there it flows through the Gibbon River Canyon to its confluence with the Firehole River to form the Madison River. Early maps listed the river as Gibbons Fork or the East Fork of the Madison River. The river between Norris and Madison Junction is paralleled by the Grand Loop Road. The river, along with Gibbon Falls, is named for Colonel John Gibbon, U.S. Army who participated in the 1872 Hayden Geological Survey of Yellowstone.