Hilsea Lines
The Hilsea Lines are a line of 18th- and 19th-century fortifications built at Hilsea to protect the northern approach to Portsea Island, an island off the southern coast of England which forms the majority of the city of Portsmouth and its key naval base.- Type: Archaeological site
- Description: fortifications near Portsmouth
- Also known as: “Bastion 1 Hilsea Lines”
Places of Interest Nearby
Highlights include Hilsea Lido and Cosham Railway Station.
Hilsea Lido
Swimming pool
Hilsea Lido is a freshwater lido at Hilsea, Portsmouth, England, which opened in 1935. The newly refurbished pool reopened on 2nd May 2026 after an extensive £7.6m refurbishment. Hilsea Lido is situated 530 feet northwest of Hilsea Lines.
Cosham Railway Station
Railway station
UTC Portsmouth
School
UTC Portsmouth is a university technical college which opened in September 2017 in Portsmouth, England. UTC Portsmouth specialises in teaching STEM subjects with a particular focus on Mechanical and Electrical Engineering disciplines. UTC Portsmouth is situated 1,700 feet southeast of Hilsea Lines.
Places in the Area
Nearby places include Cosham and Wymering.
Cosham
Suburb
Cosham is a northern suburb of Portsmouth lying within the city boundary but off Portsea Island, in the ceremonial county of Hampshire, England. It is mentioned in the Domesday Book of 1086 along with Drayton and Wymering and Bocheland, Frodington and Copenore on the island.
Wymering
Suburb
Wymering is a residential area of the city of Portsmouth, in the ceremonial county of Hampshire, England. Unlike the majority of Portsmouth, it is located on the mainland rather than Portsea Island.
North End
Suburb
North End is a district in the city of Portsmouth, located on Portsea Island in Hampshire. The area developed rapidly as a part of the city after a horse-drawn tram route was opened between Portsmouth and Cosham.
Hilsea Lines
- Categories: defense line, historic site, tourist attraction, and tourism
- Location: Portsmouth, England, United Kingdom, Britain and Ireland, Europe
- View on OpenStreetMap
Latitude
50.83521° or 50° 50′ 7″ north
Longitude
-1.07486° or 1° 4′ 30″ west
Open location code
9C2WRWPG+33
OpenStreetMap ID
OpenStreetMap feature
historic=archaeological_site
Wikidata ID
This page is based on OpenStreetMap, Wikidata, Wikimedia Commons, and Wikipedia.
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Satellite Map
Discover Hilsea Lines from above in high-definition satellite imagery.
In Other Languages
From Egyptian Arabic to German—“Hilsea Lines” goes by many names.
- Egyptian Arabic: “خطوط هيلسى”
- German: “Hilsea Lines”
Places with the Same Name
Discover other places named “Hilsea Lines”.
Notable Places Nearby
Highlights include Hilsea Lines and Ramparts and Portsmouth Quakers.
Nearby Places
Explore places such as Hilsea Lines and Hilsea Lagoon.
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