There is no shortage of thrilling activities in Swaziland, and for adventure lovers thereâs no greater rush than an exhilarating white water rafting trip down Swazilandâs Great Usutu River. This excursion is the only one of its kind in the country, and is available only through one tour operator, Swazi Trails. Half and full-day packages are available. Trained river guides accompany you the entire time. No prior experience is needed.