From the Flit confluence to Blunham lakes near its discharge, including parts of the town of Sandy the adjoining land is designated as a Flood Warning Area.

The updated map of which area is, using computer flood-risk models and factors such as latest prevention measures, published by the Environment Agency.

[1] The Kingfisher Way is a nature trail of 21 miles (34 km), which mostly follows the valley floor from the source at Ivel Springs in Baldock through to its confluence with the River Great Ouse at Tempsford.

Tolls were initially lower than advertised leaving construction capital creditors including members of its maintenance committee in debt.

The canal, made from the river, used to run immediately to the left of the path, but was filled in after World War II as it was considered dangerous.

[3] At Radwell, Hertfordshire, an old manor house and mill are situated on the river Ivel, which date back to Edward the Confessor.