The Mountain Batteries of the Royal Garrison Artillery

The locations of the nine regular army Mountain Batteries, from the “Broad Arrow” of Friday 10 July 1914 (British Newspaper Archive)

The Regular and New Army Batteries

Mountain Battery No.Allocations and other notes
No 1 BatteryIn India. 2nd (Rawalpindi) Division Jan 1916 to Oct 1918. 4th (Quetta) Division Jan 1919.
No 2 BatteryIn France with III Corps Dec 1914; transferred to 4th Divisional Troops Mar 1915; transferred to Indian Army Aug 1915; transferred to Army Troops Salonika Mar 1916; transferred to 3rd Mountain Artillery Division* June 1916 to 11 May 1918. At Jutogh Mar 1919.
No 3 BatteryIn India. 4th (Quetta) Division Jan 1916; to 2nd (Rawalpindi) Division Jan 1919.
No 4 BatteryIn India. 4th (Quetta) Division Jan 1916; to 2nd (Rawalpindi) Division Jan 1919.
No 5 BatteryIn France with II Corps Dec 1914; transferred to 3rd Divisional Troops Mar 1915; transferred to Indian Army Aug 1915; transferred to Army Troops Salonika Mar 1916; transferred to 3rd Mountain Artillery Division* June 1916 to 11 May 1918. At Jutogh Mar 1919.
No 6 BatteryIn India. 1st (Peshawar) Division Jan 1916; to 2nd (Rawalpindi) Division May 1916; returned to 1st (Peshawar) Division Feb 1917.
No 7 BatteryIn France with IV Corps Dec 1914; transferred to I Corps Jan 1915; transferred to IV Corps Aug 1915; transferred to Army Troops Salonika Mar 1916; transferred to 3rd Mountain Artillery Division* June 1916 to 11 May 1918. At Jutogh Mar 1919.
No 8 BatteryIn India. 1st (Peshawar) Division Jan 1916.
No 9 BatteryIn India. 2nd (Rawalpindi) Division Jan 1916. 4th (Quetta) Division Jan 1919.
No 10 Batterya battery of 3.7 inch howitzers, joined VIII Mountain Bde RGA at Catterick on 11 July 1917. Began a move to Egypt, going from Southampton on 23 August 1917 and concentrated as a Bde at Sidi Bishr. Transferred to IX Mounted Bde 26 January 1918.
No 11 Batterya battery of 3.7 inch howitzers, joined VIII Mountain Bde RGA at Catterick on 11 July 1917. Began a move to Egypt, going from Southampton on 23 August 1917 and concentrated as a Bde at Sidi Bishr. Placed under orders of 75th Division between 25 March and 15 September 1918.
No 12 Batterya battery of 3.7 inch howitzers, joined VIII Mountain Bde RGA at Catterick on 11 July 1917. Began a move to Egypt, going from Southampton on 23 August 1917 and concentrated as a Bde at Sidi Bishr. Transferred to IX Mounted Bde 26 January 1918.
No 13 Batterya battery of 3.7 inch howitzers, joined VIII Mountain Bde RGA at Catterick on 11 July 1917. Began a move to Egypt, going from Southampton on 23 August 1917 and concentrated as a Bde at Sidi Bishr. Placed under orders of 75th Division between 25 March and 15 September 1918.
No 16 Batterya battery of 2.75 inch guns and formerly B/IX Brigade, joined IX Mounted Bde in Egypt 26 January 1918.
No 17 Batterya battery of 2.75 inch guns and formerly A/IX Brigade, joined VIII Mounted Bde in Egypt 26 January 1918.. Placed under orders of 75th Division between 25 March and 15 September 1918.

* source gives “Division” but I believe it should really be “Brigade”.

The Territorial Force Batteries

Mountain Battery No.Allocations and other notes
Argyll Battery4th Highland Mountain Brigade. With 29th Division at Gallipoli 25 April to 26 Dec 1915. Army Troops with Egyptian Expeditionary Force Dec 1915 to Sept 1916. 4th Highland Mountain Brigade to Salonika Sep 1916 to 11 May 1919.
Ross & Cromarty BatteryAs Argyll Battery
1/1st Bute BatteryMar 1915 to Sept 1916, Training Base for Mountain Gunners at Catterick, Yorkshore. Salonika Sept 1916 to 11 May 1919 under command of 4th Highland Mountain Brigade.
3rd Mountain Artillery BrigadeArmy Troops Salonika Nov 1916 to June 1917.
4th Highland Mountain Artillery BrigadeGallipoli, 25 April 1915 to December 1915. Army Troops Egypt, Dec 1915 to Sep 1916. Army Troops Salonika Nov 1916 to Mar 1919.
Base Details 3rd Mountain Artillery BrigadeSalonika Lines of Communication Jan 1917.

Sources: Allocation of Mountain Batteries RGA. National Archives WO95/5494; ORBAT 75th Division, A. F. Becke. Additions and corrections by Mike Morrison, with my thanks.

Links

The batteries and units of the Royal Garrison Artillery

Researching the men of the Royal Garrison Artillery

Article: Highland Mountain Gunners at Gallipoli