| Gaolan County | |
| Settlement Type: | District |
| Pushpin Map: | China Gansu |
| Pushpin Label: | Gaolan |
| Pushpin Map Caption: | Location of the seat in Gansu |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gansu |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Lanzhou |
| Seat Type: | County seat |
| Seat: | Shidong |
| Area Total Km2: | 2,556 |
| Area Total Sq Mi: | 2136 |
| Elevation Min M: | 1411 |
| Population As Of: | 2018 |
| Population Footnotes: | [1] |
| Population Total: | 147000 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Population Urban: | 67000 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coordinates: | 36.3331°N 103.904°W |
| Postal Code Type: | Postal code |
Gaolan County is a county of Gansu Province, China, one of 58 counties of Gansu. Its postal code is 730200, and its population in 2019 was 147,000 people, a 13% decrease since 1999.[1] It falls under the administration of the prefecture-level city of Lanzhou, the capital of Gansu.
One of the touristic sites is an ancient pear orchard at Shichuan town, with trees up to 400 years old, and the orchard itself being established 600 years ago.[2] [1] The Great Wall of China crosses the Yellow River at Shichuan town as well, a few ruins of it are still visible.[3] [4]
Agriculture forms an important part of the economic output of the county. Supported by irrigation fed by the Yellow River, several kinds of fruit are grown. Other important sectors are livestock and livestock feed, pharmaceutics, paper and chemicals. The total economic output in Q1 2019 was 1.35 billion CNY.[1]
Gaolan County is subdivided into 4 towns[5]
Gaolan County has a cool semi-arid climate (Köppen BSk). The annual average temperature is 7.7C, the average annual precipitation is 2610NaN0 and the average annual evaporation is 16750NaN0. On average 2768 hours of sunshine are received, and the frost-free period is 144 days.