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Trosc Mór
Truskmore - - 1154522.jpg
Elevation 647 m (2,123 ft)[1][2]
Prominence 560 m (1,840 ft)[1]
Listing Hewitt, Marilyn
Truskmore is located in island of Ireland
Location in Ireland
Location border of County Sligo and County Leitrim, Republic of Ireland
Range Dartry Mountains
OSI/OSNI grid G758473
Coordinates 54°22′27″N 8°22′18″W / 54.374208°N 8.371639°W / 54.374208; -8.371639Coordinates: 54°22′27″N 8°22′18″W / 54.374208°N 8.371639°W / 54.374208; -8.371639

Truskmore (Irish: Trosc Mór, meaning "big cod")[3] is a 647 m (2,123 ft) mountain on the border of County Sligo and County Leitrim in Ireland. It is the highest peak of the Dartry Mountains and the highest in County Sligo.[1] Truskmore is the highest point on a large plateau stretching across northeast Sligo and northwest Leitrim.[4] The edges of this plateau is marked by high cliffs—these include Ben Bulbin (526m), Benwiskin (514m), Slievemore (597m) and Kings Mountain (462m).[1] The peak of Truskmore is in County Sligo, a short distance from the border with County Leitrim. However, the mountain itself is within both counties.[4]


The Truskmore television transmitter opened on 1 February 1962 and was the second of the original five main Telefis Éireann transmitters to go on air. Initially its transmissions were only in 405 lines on VHF channel 11, with 625 lines transmissions beginning in 1963. VHF FM radio was added in 1966. In 2009 a new 175m mast was constructed in preparation for the change over to digital television transmission and the original 1961 mast removed. Since the national shut down of the analogue television networks on 24 October 2012,[5] Truskmore now broadcasts the Irish DTT service Saorview and the national FM radio channels to the North West of Ireland, including a large area of the West of Northern Ireland. It is owned and operated by 2RN, a subsidiary[6] of the Irish public service broadcaster RTÉ.

Current transmissions[edit]

Digital Television[edit]

Frequency UHF kW Multiplex
730 MHz 53 160 Saorview (Mux 1)
762 MHz 57 160 Saorview (Mux 2)

Analogue FM radio[edit]

Frequency kW Service
88.2 MHz 125 RTÉ Radio 1
97.8 MHz 125 RTÉ lyric fm
90.4 MHz 125 RTÉ 2fm
92.6 MHz 125 RTÉ Raidió na Gaeltachta
100.0 MHz 125 Today FM
102.5 MHz Ocean FM
104.4 MHz iRadio
107.4 MHz Newstalk

See also[edit]


  1. ^ a b c d Truskmore MountainViews. Retrieved: 2012-05-06.
  2. ^ Truskmore Peakbagger. Retrieved: 2012-05-06.
  3. ^ Placenames Database of Ireland
  4. ^ a b Ordnance Survey Ireland - Online map viewer
  5. ^ The Irish Times. "Analogue consigned to broadcasting history". The Irish Times. Retrieved 04/11/2012.  Check date values in: |accessdate= (help)
  6. ^ RTÉ NL. "About RTÉ NL" (PDF). RTÉ. Retrieved 2012-10-29.