- Elevation, modelled
- 15 m
- Tallest summit within 19.2 miles
- Mount Leinster794.4 m · 16.0 mi
- Sunset, June solstice
- 21:56local time
- Coordinates
- 52.5210, -7.1272
Grennan Castle is a historic site, at a modelled 15 m. Mount Leinster stands 794 m to the east-northeast, 16 miles off. The nearest named place is Oliver (Ollie) Walsh, a historic site 0.5 miles away.
ruined castle near Thomastown, Co. Kilkenny
Wikidata Q97305607, matched on coordinates and name (3 m apart).
Summits around it
The highest named summits within 19.2 miles of Grennan Castle. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Mount Leinster | ENE 65° | 794.4 m | 16.0 mi |
| Blackstairs Mountain | E 82° | 732.1 m | 13.7 mi |
| Moats of Craan | ENE 66° | 656.5 m | 17.1 mi |
| Black Rock Mountain | ENE 68° | 599.6 m | 18.0 mi |
| Sheegouna | WSW 252° | 553.5 m | 18.8 mi |
| Knockroe | ENE 71° | 538.77 m | 14.9 mi |
| Slievebawn | ENE 58° | 524.8 m | 15.6 mi |
| Brandon Hill | E 97° | 515 m | 6.5 mi |
Named places within 25 miles
Historic sites
- Oliver (Ollie) Walsh: 0.5 mi
- Sweetman's Castle: 0.5 mi
- Brady's Castle: 0.5 mi
- The Yellow Gate: 0.6 mi
- Columbkille Church (in ruins): 0.7 mi
Peaks
- Saddle Hill: 3.2 mi
- Bishop's Hill: 3.5 mi
- Coppanagh: 3.8 mi
- Mount Alto: 4.6 mi
- Frengh Hill: 4.9 mi
Attractions: 49
- The Lost Town Heritage Site: 1.6 mi
- Tullaherin Round Tower: 4.0 mi
- Kilree Round Tower: 6.0 mi
- Aghaviller Round Tower: 7.1 mi
- Cushendale Woollen Mills: 7.3 mi
Museums: 24
- Woodstock Heritage Museum: 3.4 mi
- Kells Priory Mill Museum: 6.2 mi
- Goodly Barrow Museum: 9.6 mi
- Medieval Mile Museum: 10.4 mi
- Rothe House & Garden: 10.7 mi
Beaches: 7
- Arthurstown Beach: 20.6 mi
- Raheen Strand: 22.2 mi
- Duncannon: 22.4 mi
- Dromina Strand: 22.7 mi
- Woodstown Strand: 23.3 mi
Waterfalls: 2
- Poulanassy Waterfall: 11.3 mi
- Rock of Foyle: 18.8 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 06:32 | 17:56 | 18:41 |
| June solstice | 05:06 | 21:00 | 21:56 |
| September equinox | 07:15 | 18:45 | 19:30 |
| December solstice | 08:38 | 15:12 | 16:17 |
Local time (Europe/Dublin).
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