[3] The river flows along the northeast area of Sumatra with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).
The warmest month is March, when the average temperature is around 26 °C, and the coldest is January, at 23 °C.
[6] The state water company, PDAM Tirtasari, works together with PT Sumut Tirta Resource Lien Cheng, and the mayor of Binjai City to form a purchase agreement of processed water with a build operate and transfer (BOT) scheme for 25 years, that PT Sumut Tirta Resource builds and operates the water treatment plant to process raw water from Bingai river, then the processed water is bought by PDAM Tirtasari in the amount of 25,488 cubic meter/day to supply household customers.
[8][9] Traveling from the starting point of Binjai (Binjai Super Mall) to the Sei Bingei or Namu Sira sira takes about 30 minutes through scenic road, until reaching the sign "RapidPlus Arung Jeram Sei Bingei" which denotes the destination.
[8] Rafting in Bingai river has the difficulty level of 2–3 in the international classification, still within the safe category for beginners, with a distance of 6 km to be covered in about 2 hours.