Roundwood Halt railway station

Roundwood Park School is a non-selective state secondary school with academy status situated in Harpenden, Hertfordshire, UK. Opened in 1956, it currently has around 1300 pupils, most of whom live in the local area and surrounding villages (e.g. Markyate, Southdown, Whitwell, Kimpton, Flamstead, Redbourn, Breachwood Green and Wheathampstead.) At the beginning of 2011, Roundwood (along with Sir John Lawes School, the University of Hertfordshire, and Rothamsted Research) formed a charitable trust. St George's School joined the trust in 2013 and it is now known as "The Harpenden Secondary Schools Trust".

The King's School, Harpenden is a co-educational independent school for pupils aged four to sixteen, located to the north of Harpenden in Hertfordshire, England. The independent evangelical Christian day school's mission statement is ‘Young people devoted to Christ, equipped for life and prepared to reach the world’, although it is not affiliated to one particular church or denomination.The school's intake is mostly from the counties Hertfordshire and Bedfordshire. The charity, Kingdom Education Limited operates The King's School, Harpenden and Highfield Preschool. It is affiliated to the Christian Schools Trust.The King's School joined the Independent Schools Association in October 2017 and was inspected in September 2019 by the Independent Schools Inspectorate.

Harpenden Town Football Club is a football club based in Harpenden, Hertfordshire, England. They are currently members of the Spartan South Midlands League Premier Division and play at Rothamsted Park.

The church of St Nicholas in Harpenden is a parish church in the Church of England. It is a Grade II* listed building.

Rothamsted Park is a 56-acre (230,000 m2) public park in Harpenden, Hertfordshire.

Lydekker Park is a 3-acre (1.2 ha) park in Harpenden, Hertfordshire. The land was formerly part of the garden of Harpenden Lodge, built in 1803, home for many years to the Lydekkers, one of the town's oldest families. In 1937 Hilda Lydekker, last surviving member of the Lydekker family, entered into an agreement with the former Harpenden Urban District Council that the 11 acres (4.5 ha) of land attached to Harpenden lodge should become an open space for the people of Harpenden. Her intention was that the open space should be a memorial to her two brothers and her fiancé, all of whom died in World War I. However, following the death of Miss Lydekker in 1987, shortly before her 101st birthday, her relatives were able to overturn the terms of her will, and the land was subsequently sold for development. Harpenden Town Council made strenuous efforts to have all, or at least part of, the area retained as open space. The Town Council had some measure of control as the developers were depending upon the Town Council to obtain planning permission to develop the site. In the end, only 3 acres (1.2 ha) out of the original 11 were given over to parkland and adjoining carpark, which is leased to the Harpenden Town Council at peppercorn rent. The park was opened to the public on 1 July 1998.

Rothamsted Manor is a former manor and current manor house, situated in Harpenden Rural in the English county of Hertfordshire. A Grade I listed building, dating in part from the 17th century, it is now an events venue, while the surrounding estate is home to the Rothamsted Research Centre.

St George's School, Harpenden (also known as St George's) is a non-selective day and boarding school in Harpenden, Hertfordshire, England, educating students of both sexes between the ages of eleven and eighteen, with an emphasis on its Christian ethos. It was founded in 1907 as one of Britain's first mixed-sex boarding schools. The school has International School status. The School was named as the Sunday Times' 'Comprehensive School of the Year' in 2019. In 2022, the School was ranked as the 122nd best secondary state school in the country based on combined GCSE attainment and A-Level point scores.

Harpenden Rugby Football Club is a rugby club based in Harpenden. They play in Regional 1 South East - a league at tier 5 of the English rugby union system - following their promotion from London 1 North at the end of the 2021–22 season.

Harpenden () is a town and civil parish in the City and District of St Albans in the county of Hertfordshire, England. The population of the built-up area was 30,240 in the 2011 census, while the population of the civil parish was 29,448. Harpenden is a commuter town, with a direct rail connection to Central London.

Rothamsted Research, previously known as the Rothamsted Experimental Station and then the Institute of Arable Crops Research, is one of the oldest agricultural research institutions in the world, having been founded in 1843. It is located at Harpenden in the English county of Hertfordshire and is a registered charity under English law.One of the station's best known and longest-running experiments is the Park Grass Experiment, a biological study that started in 1856 and has been continuously monitored ever since.

Harpenden railway station is on the Midland Main Line in England, serving the town of Harpenden, Hertfordshire. It is 24 miles 51 chains (39.7 km) down the line from London St Pancras and is situated between St Albans City to the south and Luton Airport Parkway to the north. Its three-letter station code is HPD. The station is served by Govia Thameslink-operated trains on the Thameslink route.