Black Fan Valley, Hertfordshire

Black Fan Valley is a valley in Welwyn Garden City, Hertfordshire

• Built-Up Area: Welwyn Garden City
• Parish/Community: Welwyn Hatfield, unparished area
• District/Borough: Welwyn Hatfield
• County: Hertfordshire
• Region: Eastern

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 51°48'35"N 0°10'53"W
• Eastings/Northings: 525464, 213918
• OS Grid: TL254139
• Mapcode Local: GBR J92.GY3
• Mapcode Global: VHGPD.SRWZ

Location and coordinates are for the approximate centre of Black Fan Valley within this administrative area. Geographic features and populated places may cross administrative borders.