He that desireth to crosse ouer the riuer of Plate vnto the riuer de Buenos Aëres from the Isles of Saint Grauiel, must shape his course Southwest: and the cut ouer is sixeteene leagues and vpon his arriuall on the South shore of the riuer, hee must seeke a chanell of three fathomes water, and straite he must goe along the coast vntill hee come to a broken cliffe and a poynt like vnto the firme land, which is distant from this chanell three or foure leagues: and when thou seest this broken cliffe, keepe thee a league from it. [Sidenote: The first Spanish colonie was planted in the riuer of Buenos Aëres.] Here vpon this riuer of Buenos Aëres was the first Colonie that Don Pedro de Mendoça planted. This riuer lieth very much hidden: because it is not seene, it is very shallow at a low sea, wherefore you must come in with the first of the flood. From the Isle of Martin Garçia vnto certaine small Islands which are called the Isles of Saint Lazarus is two leagues, these are shoalds: and to goe thither you must goe hard aboord the maine, for there goeth the chanell: all this is to be passed on the North shore, and with small barkes, and with good heede. From the Isle of Martin Garçia to the mouthes of the riuer are eight leagues in passing along on this side to seeke one of the mouthes of the riuer Parana, as it is hereafter described. But you had need first to harbour in a bay, which is in the very cliffe or Barranca, and you must stay for the full sea. [Sidenote: Rio Vruay.] And if you fall into the mouth of the riuer which is called Vruay,[42] you must leaue it on the right hand, I say on the North side. [Sidenote: Parana is the great riuer.] And foorthwith leauing the said mouth forward toward the West, you may enter into the first mouth although it seeme narrow; or rather you may enter into any of the mouthes: for all of them meete together in Parana, which is the maine riuer. [42] River Uruguay. [Sidenote: Rio de las Palmas.] And hee that desireth to goe from the Isle of Martin Garçia to the riuer of Palmas, which is the best of all these armes, or mouthes to speake more properly, is to shape his course to the West, and comming ouer to the other shore, and sayling along the coast Northnorthwest hee shall discouer the mouth of this riuer of Palmas: and hee must enter hard by Los Iuncales, which lye on the South side: and afterward within is very deepe sounding. All these mouthes of this riuer which are 5, are full of sholds towards the East aboue the space of two leagues. And if the course of the water were not swift there, you could not enter into them, as I haue already sayd, and you must passe all along with much heede and foresight.