The most reliable route is Port Sudan to Khartoum. River steamers serve all towns on the Nile but conditions are mostly unsuitable for tourist travel.
Services depend on fluctuating water levels.
It is wise to take food and water. Destinations include Dongola, Karima, Kosti and Juba. Sudan has an extensive rail network but the service is extremely slow and uncomfortable. There are a few air-conditioned carriages, for which a supplement is charged. Owing to the bad conditions, a full set of spare parts should be carried for long journeys.