You can register and pay at the following locations. Better if you register online first.
Boudha - Best View Restaurant
Boudha, just inside the main gate to the left - 3rd building, 'Best View' is upstairs just after Pho 99
Phone number(s): 014468979, 9841619880Open in Google Maps Facebook link
Jhamsikhel - Sports Coffee House
Jhamsikhel, opposite Epic cycles, next to Cafe Soma
Phone number(s): 9818600643Open in Google Maps Facebook link
Maharajganj - Coffee Talk Cafe
Maharajganj, Opposite to the American Embassy
Phone number(s): Umanga Lamichane 9865054940Open in Google Maps Facebook link
Durbarmarg - Coffee Pasal
Cool coffee place Opposite to Adidas showroom in Darbarmarg, Kathmandu
Phone number(s): 01-4246483, 9851198148Open in Google Maps Facebook link
Thamel - Himalayan Single Track
Enter Thamel, enter the Saatghumti, keep taking turn to find Annapurna Market and ask for Himalayan Single Track.
Phone number(s): 01-4700909Open in Google Maps Facebook link
TRANZIT Sports Bar and Cafe
Get on Thapathali road, look out for St Xavier College and you ll see a raised platform. Keep walking up the platform facing towards Babar mahal. On the right hand side side you ll find the cafe. Nearest landmark is International tradelink building and opposite side to it.
Phone number(s): 984-1291301Open in Google Maps Facebook link