| Lac-à-la-Croix | |
| Settlement Type: | Unorganized Territory |
| Pushpin Map: | Canada Eastern Quebec |
| Pushpin Map Caption: | Location in eastern Quebec |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Bas-Saint-Laurent |
| Subdivision Type3: | RCM |
| Subdivision Name3: | La Mitis |
| Established Title1: | Established |
| Established Date1: | January 1, 1986 |
| Leader Title1: | |
| Leader Name1: | Haute-Gaspésie—La Mitis—Matane—Matapédia |
| Leader Title2: | Prov. riding |
| Leader Name2: | Matane-Matapédia |
| Area Total Km2: | 240.50 |
| Area Land Km2: | 224.46 |
| Population Total: | 0 |
| Population As Of: | 2011 |
| Population Density Km2: | 0.0 |
| Population Blank1 Title: | Pop 2006-2011 |
| Population Blank1: | 0.0% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 0 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Area Code: | 418 and 581 |
| Blank Name: | Highways |
| Blank Info: | No major routes |
Lac-à-la-Croix is an unorganized territory in the Canadian province of Quebec, located in the La Mitis Regional County Municipality.