| Type: | suburb |
| Thornlea | |
| State: | SA |
| Coord Ref: | [1] |
| Pushpin Label Position: | left |
| Established: | 18 December 1997 |
| Postcode: | 5280[2] |
| Timezone: | ACST |
| Utc: | +9:30 |
| Timezone-Dst: | ACST |
| Utc-Dst: | +10:30 |
| Dist1: | 309 |
| Dir1: | SE |
| Location1: | Adelaide |
| Dist2: | 25 |
| Dir2: | NW |
| Lga: | Wattle Range Council |
| County: | Grey |
| Region: | Limestone Coast |
| Stategov: | MacKillop[3] |
| Fedgov: | Barker[4] |
| Maxtemp: | 19.6 |
| Maxtemp Footnotes: | [5] |
| Mintemp: | 9.5 |
| Rainfall: | 603.6 |
| Near-N: | Clay Wells Kangaroo Inn |
| Near-Ne: | Kangaroo Inn Furner |
| Near-S: | Rendelsham |
| Near-Sw: | Rendelsham |
| Footnotes: | Locations Adjoining localities |
Thornlea is a locality in the Australian state of South Australia located in the state's south-east within the Limestone Coast region about south east of the state capital of Adelaide and about north-west of the municipal seat of Millicent.[1] [2]
Boundaries for the locality were created on 18 December 1997.[1]
The land use in the locality is ‘primary production’.[1] [6] A protected area known as the Belt Hill Conservation Park is located in the locality's south-east corner on the boundary with Hatherleigh.[7]
Thornlea is located within the federal division of Barker, the state electoral district of MacKillop and the local government area of the Wattle Range Council.[4] [3] [1]