Question: What is the NM # of the Dublin site that is a wedge-shaped gallery grave and a National Monument in Dún Laoghaire-Rathdown , Ireland ?

text: List of National Monuments in County Dublin
National Monuments

The Irish state has officially approved the following List of National Monuments in County Dublin and the city of Dublin. In the Republic of Ireland, a structure or site may be deemed to be a National Monument, and therefore worthy of state protection unless the government decides to demolish it. If the land adjoining the monument is essential to protect it, this land may also be protected.
NM # Monument name Description Townland Location
310 Baldongan Church Church & Tower Baldongan 53°33′11″N 6°07′44″W / 53.55316°N 6.128776°W / 53.55316 ; -6.128776 ( Baldongan Church and Tower )
437 Ballyedmonduff Wedge Tomb Wedge Tomb Ballyedmonduff 53°13′45″N 6°13′34″W / 53.229167°N 6.2262°W / 53.229167 ; -6.2262
590 Balrothery Tower Church Tower Balrothery 53°35′12″N 6°11′24″W / 53.586546°N 6.190072°W / 53.586546 ; -6.190072 ( Balrothery Tower )
291 Brennanstown Portal Tomb Portal Tomb Brennanstown 53°15′14″N 6°09′32″W / 53.253794°N 6.158762°W / 53.253794 ; -6.158762
32 Clondalkin Round Tower Round Tower & Cross Clondalkin 53°19′19″N 6°23′43″W / 53.322065°N 6.395374°W / 53.322065 ; -6.395374 ( Clondalkin Tower )
285 Tully 's Castle Castle Clondalkin 53°19′15″N 6°23′24″W / 53.320812°N 6.389957°W / 53.320812 ; -6.389957 ( Tully 's Castle )
444 Archbold 's Castle Castle Dalkey 53°16′40″N 6°06′23″W / 53.27789°N 6.106422°W / 53.27789 ; -6.106422 ( Archbold 's Castle )
33 Dalkey Island Church Church Dalkey Island 53°16′22″N 6°05′08″W / 53.272685°N 6.085509°W / 53.272685 ; -6.085509 ( Dalkey Island Church )
401 St. Mary 's Abbey Abbey ( Cistercian ) ( Chapter house ) Northside Dublin 53°20′51″N 6°16′09″W / 53.3475°N 6.269167°W / 53.3475 ; -6.269167 ( St. Mary 's Abbey )
34 St. Audoen 's Church Church Southside Dublin 53°20′38″N 6°16′31″W / 53.343889°N 6.275278°W / 53.343889 ; -6.275278 ( St. Audoen 's Church )
St. Stephen 's Green Park Southside Dublin 53°20′17″N 6°15′33″W / 53.338056°N 6.259167°W / 53.338056 ; -6.259167 ( St. Stephen 's Green )
230 Dunsoghly Castle Castle Dunsoghly 53°25′37″N 6°19′06″W / 53.426936°N 6.318277°W / 53.426936 ; -6.318277 ( Dunsoghly Castle )
276 Glencullen Standing Stone Standing Stone Glencullen 53°13′11″N 6°13′03″W / 53.219771°N 6.217385°W / 53.219771 ; -6.217385 ( Glencullen Standing Stone )
605 Grange Abbey Church Donaghmede 53°23′57″N 6°09′38″W / 53.399075°N 6.160429°W / 53.399075 ; -6.160429 ( Grange Abbey )
36 Howth Church Church Howth 53°23′15″N 6°03′57″W / 53.387515°N 6.065961°W / 53.387515 ; -6.065961 ( Howth Church )
226 Kilgobbin Cross Cross Kilgobbin 53°15′23″N 6°13′04″W / 53.256478°N 6.217806°W / 53.256478 ; -6.217806 ( Kilgobbin High Cross )
207 , 587 Kill of the Grange Church , Well & Bullaun Stone Kill of the Grange 53°16′53″N 6°09′40″W / 53.281378°N 6.160987°W / 53.281378 ; -6.160987 ( Kill of the Grange Church , Well and Bullaun Stone )
35 Cill Iníon Léinín Church Killiney 53°15′17″N 6°06′59″W / 53.254727°N 6.116315°W / 53.254727 ; -6.116315 ( Killiney Church )
675 Kilmainham Gaol Prison Kilmainham 53°20′31″N 6°18′35″W / 53.341944°N 6.309722°W / 53.341944 ; -6.309722 ( Kilmainham Gaol )
493 Kilmashogue Wedge Tomb Rathfarnham 53°15′02″N 6°16′02″W / 53.250558°N 6.267231°W / 53.250558 ; -6.267231 ( Kilmashogue )