district of Paraguay
Bahía Negra is a town in Alto Paraguay department in Western Paraguay. It's the northernmost town along the river Paraguay and it's surrounded by a Pantanal-like environment.
You can get to Bahía Negra by air, road or river.
SETAM flights from Asunción to Bahía Negra on Wednesdays. The return ticket cost GS.580,000. The plane departs the Aeropuerto Militar (military airbase) which is next to the Silvio Pettirosi airport at 7:00AM and make stopovers at Concepción, Puerto Casado, Vallemí, Carmelo Peralta, and Fuerte Olimpo before reaching Bahía Negra around 11:00AM.
San Juan S.R.L. runs a one weekly bus from Asunción on Thursdays, the ticket cost Gs. 270,000. Travelling time is around 16 hours when road conditions are good. The last 200 km of the journey are unpaved and could last up to 6 hours. The bus make 3 stops for lunch along the way.
Bahía Negra is 823 km by road from Asunción. You travel northwest along the Transchaco highway for 415 km up to Cruce Los Pioneros, then north on an unpaved route for 408 km. Travelling time by car should be between 16-21 hr, depending on road conditions. The unpaved road may be closed to traffic when there are heavy rains.
A pleasant, though slow, way to arrive to Bahía Negra is aboard the Aquidabán boat from Concepción. The boat travels once a week and Bahía Negra is its last port of call. The boat journey takes 4 days and it's not a touristic boat, it's a cargo one, so the boat stops at every port along its way, loading and unloading cargo and passengers. Departure days vary so check before with the port authorities for the latest schedules. Boat ticket costs GS.100,000