Sundarijal Ghumgham 

Sundarijal
Sundarijal is a village and former Village Development Committee that is now part of Gokarneshwar Municipality in Kathmandu district in Province No. 3 of central Nepal.
History
The name Sundarijal was derived from the term "Sundari", which means beautiful and "Jal", which means water. The river Bagmati, which originates in this region, has been the major source of water supply for Kathmandu valley since the Rana Dynasty. There is also a Hindu goddess, Sundarimai a temple dedicated to this name.
Sundarijal Hydropower Station, located at Sundarijal, 15 km northeast of Kathmandu with previous installed capacity of 640KW, now upgraded to 970 KW + 10% with fully customized automation from July 2021 under rehab works by contractor Power Mech Project Ltd
In 1960, leaders from the Nepali Congress party B.P. Koirala (then prime minister), Ganesh Man Singh, Krishna Prasad Bhattarai, Diwan Singh Rai, Ram Narayan Mishra, Yogendra Man Sherchan, and Jaman Singh Gurung were taken to Sundarijal Military Detention Camp. They were held there without trial for eight years due to their participation in a 1960 coup.
Geographical situation
Sundarijal is located 15 kilometres (9 mi) northeast of Nepal's capital, Kathmandu. It is located in west side of Gagalphedi, east of Nayapati and Baluwa, and north of Aalapot. Northern portion of Sundarijal is the forest that belongs to Shivapuri National Park. Further to the end of Shivapuri National Park the Village touches Nuwakot and Sindhulpalchok Districts.[1]
Sundarijal covers an area of 5.18 square kilometres (2 sq mi). The Bagmati River flows through the village, where tributary rivers Shyalmati and Nagmati confluence with Bagmati River. Sundarimai temple is located in the confluence of Nagmati and Bagmati. Similarly, there is Lord Shiva temple in confluence of Shyalmati and Bagmati.
Climate
The climate of Sundarijal is temperate. The average temperature in summer is 25.5˚C and 0˚C in winter.
Tourism
Canyoning at Sundarijal
Tourism is a large industry in Sundarijal, and it is a destination for canyoning. Tourists come to the VDC every weekend, attracted to the area's natural environment, waterfalls, and rivers. Many come from the Kathmandu Valley because of its closeness; it is only about an hour's drive away.
Pollution in the Sundarijal reservoir has increased due to the number of tourists.
In addition, the VDC is a starting point for hikers along the Langtang Range. Various trekking routes also lie in Sundarijal, among them the Sundarijal-to-Chisapani trek, almost 22 km long.
Culture
The main religious sites in Sundarijal are the temples of Sundarimai Mandir, Ganesh Mandir, and Krishna Mandir. In July, the Dashahara festival is celebrated at confluence of Shyalmati and Bagmati.
Majority of residents here are from Tamang, Newar and Chettri community. The major caste here are Pandit, Tamang, Shrestha, Manandhar, Simkhada, Ghimire, Khadka, Tiwari, etc.
Newar community celebrates jatra annually on Yomari Purnima. On Krishna Janmashtami also people here conducts jatra a celebration.
Infrastructure
Dam present on the trekking route of Nagarjun NP which creates a reservoir for hydroelectricity and water treatment
A 640 kW now upgraded to 970 KW+10% hydropower plant near the bus park provides electricity to Sundarijal. A mail post and police station are also located here.
BP Museum is also located in Sundarijal. The museum is one of the historical places in Nepal in present state, but it took long time for this to be established as a museum. It has its own historical transformation. Before, it was an Army General Quarter and then, it was changed into Rajbandigriha where prisoners were kept, after that again it changed into Gaida Gasti which again got changed into Sundarijal Military Camp and finally, after the detention of leaders like B.P it came into the light and was established as B.P Museum.
There is a US$ 464 million drinking-water project in Sundarijal that will bring water from Melamchi, treat, and distribute it. A pipeline, 58 kilometres (36 mi) in length will be laid from Sundarijal to the town in the Kathmandu Valley. It will start pumping 170 million liters of water daily in 2020.