Senapati is situated in the northern hill ranges of Manipur. The geography is characterized by rugged, mountainous terrain draped in subtropical pine and broadleaf forests. The region serves as an important watershed area for the state.
The Barak River, one of the most significant rivers in Northeast India, originates in the hill ranges near Senapati. The river and its tributaries carve through the landscape, creating fertile, narrow valleys between the steep hills. The town itself is built along the slopes and valleys adjacent to the Senapati River, making the terrain undulating and scenic. The surrounding forests are rich in biodiversity, housing various species of local flora, medicinal plants, and wildlife.