KATAVI, March 30 -- TUCKED away in the remote western reaches of Tanzania lies Katavi National Park, a sprawling wilderness that remains one of the continents best-kept secrets.

While the northern circuit draws global crowds, Katavi offers a rare “step back in time,” where the landscapes are raw and the human footprint is nearly non-existent.

For the truly adventurous traveler, this is not just a safari.

It is an encounter with an Africa that feels entirely undiscovered, offering vast stretches of savannah where you are more likely to encounter a pride of lions than another tour vehicle.

The parks true drama unfolds during the dry season, when the Katuma River recedes into a series of shallow pools that become a crowded li...