Coolgarriv is a townland on the outskirts of Killarney, Co. Kerry, Ireland, perched on the top of Madam's Hill, overlooking Killarney in the valley down below. It is bordered by Aghadoe, Killcummin and Knockasarnett townlands amongst others. Coolgarriv is part of Fossa parish, in the Diocese of Kerry.
The main N22 Tralee-Killarney-Cork road goes through Coolgarriv. Branching off from this is the Killarney-Ballyhar-Firies road.
The Mallow - Killarney - Tralee rail line passes through Coolgarriv although there is no station in the townland. The nearest railway station is Killarney railway station