Overview
Hawthorn Ridge Redoubt was a fortified British position on the Western Front during the First World War. Situated on the north-western fringe of the village of Beaumont-Hamel in the Somme sector of France, the redoubt became notable for its role in the opening day of the Battle of the Somme on 1 July 1916, when it was the site of a large underground explosive charge detonated by the British Army.
Location and Construction
- Geographic position: Approximately 300 metres north of the village of Beaumont‑Hamel, on the ridge that commanded the surrounding low‑lying ground.
- Physical characteristics: The redoubt consisted of a series of sandbag‑lined trench works, revetments, and a forward ditch. It was constructed by units of the British 29th Division and incorporated a deep mining gallery extending beneath the German front line.
The Hawthorn Ridge Mine
- Purpose: To destroy German defensive positions and create a breach for infantry assault.
- Charge: Approximately 40,000 pounds (≈18 t) of Ammonal explosive placed in a gallery beneath the German front line.
- Detonation: The charge was detonated at 7:20 a.m., ten minutes before the scheduled infantry advance. The explosion created a massive crater and killed or wounded a significant number of German soldiers.
Battle of the Somme (1 July 1916)
- Initial plan: The early detonation was intended to allow British troops to occupy the crater and advance behind a smoke screen.
- Outcome: The interval between the explosion and the infantry assault proved insufficient for the British troops to consolidate the position; German forces recovered quickly, and the crater became a focal point of intense fighting. The 29th Division suffered heavy casualties, and the overall objectives of the Hawthorn Ridge sector were not achieved on the first day.
Aftermath and Legacy
- Military analysis: Post‑battle assessments criticized the premature detonation and the lack of coordination between engineering and infantry units. The episode contributed to evolving tactics concerning mine usage and assault timing.
- Preservation: The crater and remnants of the redoubt remain visible on the Somme battlefield today and are maintained as part of the Beaumont‑Hamel Memorial site, serving as a point of commemoration for the soldiers who fought there.
Historical Significance
Hawthorn Ridge Redoubt exemplifies the extensive use of mining and underground warfare on the Western Front, as well as the challenges of integrating such engineering operations with infantry assaults. Its experience informed subsequent military engineering practices in the First World War.