剑河, also known as the Jian River, is a river located in China. It flows through the Guangxi Zhuang Autonomous Region and is known for its scenic beauty and clear waters. The river is an important waterway for local transportation and supports various ecosystems along its banks. The Jian River is also significant for agriculture in the region, providing irrigation for nearby farmland. Its surrounding areas are rich in biodiversity, making it a popular spot for nature enthusiasts and researchers. The river plays a vital role in the local economy and culture, contributing to the livelihoods of many communities.