Estero Llano Grande State Park
| Estero Llano Grande State Park | |
|---|---|
A resaca in Estero Llano Grande State Park | |
Estero Llano Grande State Park Estero Llano Grande State Park | |
| Location | Hidalgo County, Texas, United States |
| Nearest city | Weslaco, Texas |
| Coordinates | 26°07′35″N 97°57′23″W / 26.126411°N 97.956518°W |
| Area | 230 acres (93 ha) |
| Established | 2006 |
| Visitors | 27,578 (in 2025) |
| Governing body | Texas Parks and Wildlife Department |
| Website | Official site |
Estero Llano Grande State Park is a 230 acres (93 ha) state park in Hidalgo County, Texas, United States. The park opened in 2006 and is managed the Texas Parks and Wildlife Department. Estero Llano Grande is a prime spot for birdwatching with more than 350 species documented.