The MOD and QinetiQ working together to provide Defence Test & Evaluation and Training Support Services

MOD Rosneath & Barons Point

MOD Rosneath and Barons Point are located in the southwest of Scotland on the Firth of Clyde. Magnetic signatures are recorded, analysed and the static magnetic signature of steel surfaces optimised using these ranges.

MOD Rosneath: A 9m Magnetic Open Sea Range and Harbour Entrance Range is installed at Green Isle Rosneath, just off the Rosneath Peninsula near Perch Rock. They are next to the sea-channel that most ships and submarines use when travelling into Gareloch and Faslane.

Barons Point: This range is at Cove, just off the mouth of Loch Long. The Range collects data from ships and submarines by means of sensors permanently laid on the seabed. The sensors are wired to seabed junction boxes, and are wired back to the shore by cables that are laid permanently on the seabed.

The Ranges deliver the following capabilities:

MOD Rosneath
G84 0QT

Tel: 01436 438690


From Glasgow Airport/M74
Join the M8 and head West towards Erskine Bridge/Greenock. Turn off M8 at Junction 30 onto M898 Erskine Bridge. Once over the Erskine Bridge join the A82 westbound and head towards Crianlarich/Loch Lomond (W). 14 miles north of the Bridge turn left onto the A817 [sign-posted Garelochhead A(A814)]. At the roundabout, turn right on to the road and head towards Arrochar (A814)/Coulport. At the next roundabout turn left and head downhill to Garelochhead A814.

From Loch Goil & points north
Take the A82/A83 and head towards Arrochar/Tarbet. Take the A814 to Garelochhead/ Helensburgh (a bumpy windy road!) and head south. At the roundabout, head downhill to Garelochhead A814.

All routes
At the bottom of the hill turn right at the junction on to the B833 towards Rosneath. Half a mile past Rosneath, turn left towards Rosneath Castle Holiday Park. Almost immediately turn right onto the private road sign-posted Rosneath Home Farm. (this is hidden behind a Scottish Milk sign). Follow metalled road towards castle-like building. Bear left at Y-junction towards farmyard. Drive slowly and carefully through the farmyard (leaving all gates as you find them) then proceed downhill towards the woods. Enter the woods. Follow metalled road through woods, bear right at Y-junction keeping on the metalled road. Rosneath is at the end of this road.