Helensburgh No. 1 Reservoir

The reservoir is of the non-impounding variety. It is no longer part of the local water supply system and is used by Helensburgh Angling Club. The earthen dam is 9 metres high and records show it was constructed before 1875.

The Hill House in Helensburgh, Scotland, was created by architects and designers Charles and Margaret Macdonald Mackintosh. The house is an example of the Modern Style (British Art Nouveau style). It was designed and built for the publisher Walter Blackie in 1902–1904. Mackintosh also designed the house interior, including furniture and fittings. In 1982, the house was donated to the National Trust for Scotland (NTS), which maintains and opens the house to visitors.

Helensburgh Upper railway station (Scottish Gaelic: Baile Eilidh Àrd) serves the town of Helensburgh, Scotland, on the north shore of the Firth of Clyde to the west of Glasgow. It is located in a residential area uphill from the town centre and is by far the smaller of the town's two stations. It is on the West Highland Line, 2 miles 8 chains (3.4 km) from Craigendoran Junction, near Helensburgh, the first station on the line before Garelochhead. ScotRail manage the station and operate most services, with others provided by Caledonian Sleeper.

Helensburgh (; Scottish Gaelic: Baile Eilidh) is a coastal town on the north side of the Firth of Clyde in Scotland, situated at the mouth of the Gareloch. Historically in Dunbartonshire, it became part of Argyll and Bute following local government reorganisation in 1996.

The Victoria Integrated Care Centre is a health facility in Helensburgh, Scotland. It is managed by NHS Highland.

Helensburgh Cemetery is an operational burial ground, dating from the mid 19th century, on the Old Luss Road in Helensburgh, Argyll, Scotland. Together with its boundary walls, lodge, gatepiers and gates it is designated as a Category B listed building by Historic Scotland. The graveyard contains several fine monuments, including one to Bonar Law, the former Prime Minister, whose ashes are buried at Westminster Abbey.

Helensburgh Central railway station (Scottish Gaelic: Baile Eilidh Meadhain) serves the town of Helensburgh on the north shore of the Firth of Clyde, near Glasgow, Scotland. The station is a terminus on the North Clyde Line, sited 24 miles 31 chains (39.2 km) from Glasgow Queen Street (High Level), measured via Singer and Maryhill. Passenger services are operated by ScotRail on behalf of Strathclyde Partnership for Transport. The station is Helensburgh's main railway station, the other being the much smaller Helensburgh Upper on the West Highland Line.

The Scottish Submarine Centre (SSC) is a submarine naval museum in west Scotland.

The Municipal Buildings are based on the north side of Princes Street East in Helensburgh, Scotland. The structure, which served as the meeting place of Helensburgh Burgh Council, is a Category B listed building.

Lomond School is a private, co-educational, day and boarding school in Helensburgh, Argyll and Bute, Scotland. Lomond School is, currently, the only day and boarding school on the west coast of Scotland. It was formed from a merger in 1977 between Larchfield School (founded 1845 and previously called Larchfield Academy) and St Bride's School for Girls (founded 1895).Lomond School primarily teaches to the Scottish Education System, but in pupils' senior years (S5 & S6) at the school they can move into one of the International Baccalaureate programmes. The IB programmes were introduced in August 2021.It is a member school of the Headmasters' and Headmistresses' Conference.The principal of the school is Johanna Urquhart, who took over from the previous headmaster, Simon Mills, in August 2014.

The West Kirk (since 2015 called Helensburgh Parish Church) is a Church of Scotland parish church on Colquhoun Square in Helensburgh, Argyll, Scotland. Designed by James Hay, in 1853, it is designated as a Category B listed building by Historic Environment Scotland.In 2011 the church united with St Columba Church to become St Andrew's Kirk. The St Columba Church building became The Tower arts centre.In 2015 St Andrew's Kirk united with Park Church to become Helensburgh Parish Church. In 2016 the Park Church building became the Buddhist Meditation Centre of Scotland. Since December 2015 the Parish Minister is the Reverend David T. Young BA, BD Min (Hons), MTh, RNR.

Craigendoran (Gaelic: Creag an Dòbhrain) is a suburb at the eastern end of Helensburgh in Scotland, on the northern shore of the Firth of Clyde. The name is from the Gaelic for "the rock of the otter". It is served by Craigendoran railway station. Craigendoran pier was next to the station, with the railway connecting with Clyde steamers. This pier has since closed and fallen into disrepair. Hermitage Academy is on the eastern outskirts of Craigendoran.