Over 144,000 km of water bodies and watercourses across Great Britain are represented in this GIS dataset. It includes freshwater rivers, tidal estuaries, and canals, with features indicating central alignment, river names, and flow direction. The dataset is produced by the Ordnance Survey and was last updated on 2026-06-23.
Use Cases
- Model hydrological connectivity and flow direction based on the connected link and node features.
- Analyze the distribution and length of watercourses, including tidal estuaries and canals, across Great Britain.
- Perform spatial analysis of river networks for environmental impact assessments or infrastructure planning.
- Enrich maps and applications with named river features and their central alignments.
Strengths
- Contains over 144,000 km of mapped watercourses.
- Includes river names and flow direction attributes.
- Covers freshwater rivers, tidal estuaries, and canals across Great Britain.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified as the last update timestamp is in the future (2026-06-23).
Provenance
- Source
- Ordnance Survey
- Freshness
- Last updated 2026-06-23 13:30:43.460604
- Geography
- Great Britain