The main things you will need to organise before travel are flights, travel insurance, vaccinations, anti-malaria medication and visas. Please click on the links below to find out more information about this, recommended kit lists, your arrival in country and money in country (cash & using cards). You will also need to organise airport transfers on arrival & departure and your accommodation in Nairobi / Kathmandu - please see the Kenya / Nepal itinerary and pages about arrival in Kenya / Nepal for more information.
Please also see this guide for more information about practicalities when travelling to Nepal.
Please also see this guide for more information about practicalities when travelling to Kenya.