When the wagons left the last paved lane and entered the stony trail, the sense of departure became a physical strain. The convoy climbed through a pass where the air turned thin and metallic; every breath stung, and boots kicked up gray dust from a road that cut into the mountains. Men hunched under loads; horses slipped in early mud. In the first scene of progress a small party hauled a disassembled boat across a narrow saddle, the timber groaning, the smell of fresh-cut wood mingling with the sourness of sweat. The pilot’s wheel was a memory of lower valleys; now hands negotiated ropes through fingers already cracked by cold. This was an expedition that learned fast: gear chosen for sea work scuffed and failed on mountain paths, while pack-saddles split and a carefully planned ration of salted meat had to be shared sooner than expected.
Lower down, another scene unfolded as the Cortez of their maps turned into a steady, huge roar. The first great tributary appeared, brown with suspended soil that glittered like bronze. Boats were reassembled on a trembling bank where dragonflies cut arcs above the waterline. Men breathed the warm, humid air and tasted iron in their mouths from exertion and fever. Navigation shifted from compass bearings to the practical wisdom of pilots who read eddies and shoals as if reading pages in a book. The first moments of risk occurred here: a newly caulked hull struck a submerged tree trunk with a sound like a gunshot; planks cracked, and for hours the men labored to keep the craft afloat, bailing and chanting timetabled repairs.
On a second river scene, the convoy ran into its first organized resistance. A line of canoes emerged from a channel like a bruise on the river’s surface; the canoes’ outriggers carved parallel wakes. The visual was startling: painted bodies, feathers, and weapons lifted in gestures of alarm. This meeting—first contact of a kind—was tense and messy. A handful of men fell from shots or blows; the smell of burned powder hung over the water. The crew tried to interpret intentions from signals and gifts, but the language gap was enormous, and the instruments of coercion had been brought for a different variety of conquest. The result was confusion and a number of wounded men. The ever-present danger of hostile encounters was now concrete and bloody.
The surgeon’s table became the scene that night: with lantern oil flickering, a jaw was wired, a deep cut washed, and a man’s fever charted on a scrap of paper. Disease made itself known early. In a dim hold, a stench rose and a cough spread; what began as a cough became a fever in a week. Scurvy and dysentery were immediate enemies: gums swelled and softened, stools became runnels of worry, and the lower decks filled with the metallic tang of illness. The ration of citrus insufficiently conserved failed to check this. When several men lay groaning under canvas, one consequence was a sharp alteration in morale—murmurs of dread, quiet barter for better rations, and saints’ medals clasped with shaking fingers.
A third concrete scene occurred at night on a wide curve of the river where the stars seemed pinpricks beyond a ceiling of leaves. Men made fires on a spit of sand; the mosquitoes attacked in a blind fury. The senses were overwhelmed: the sweet, repulsive scent of decaying fruit, the shriek of unknown insects, and the damp heat that clung to clothes like a second skin. The pilots recorded positions in crude sketches, marking a series of bends and a chain of small islands. The sense of wonder here was immediate and physical—giant orchids hung like lamps from branches, a chorus of frogs answered from the reed beds, and distant night sounds suggested animal life in abundance. Some men slept with their heads full of impossible images; others could not stomach the beauty, thinking only of survival.
Logistics soon became a daily exercise in improvisation. The second-in-command developed a system of rationing that shifted from theoretical allowance to ruthless pragmatism: meat cuts were halved, bread baked into a thicker paste to last, and mules were fed only when necessary. Equipment failures multiplied; a mast split, a rudder snapped, a skin of preserved limes burst open and ruined the lot of citrus. Without the predictability of the Atlantic lane, the group discovered that every lost item meant greater strain on the whole. Desertions also occurred: men slipped into the forest or found river banks where they could vanish into indigenous communities. The psychological toll became visible in small signs—men shivering long after fires went out, eyes hollowed, tempers quick to flare.
Yet there were brief windows of exhilaration. When a broad meadow opened along a tributary, the sight of a sunset caught the water and painted it copper. The river’s scale delivered a visceral wonder: horizons that seemed to stretch for leagues, the volume of water moving with a slow, unstoppable logic. In the quiet moments, some turned to sketch leaves and fish while others pressed leaves between papers, collecting flora as if these acts alone could translate the unknown into something manageable.
As the weeks and then months unfolded, the expedition learned to read the land and river together. The pilots grew certain in their craft; they began to map in the way of sailors—by a sequence of landmarks, not by perfect angles. The caravan’s dynamics settled into uneasy rhythms: chain-of-command meetings in the morning, repairs at midday, and scouting parties at dusk. What began as a march of carefully selected and provisioned men became an organism that fed itself on the landscape and the decisions of the moment. Fully underway, the flotilla left the last foothills behind and moved toward the thickening rainforest, a line of men and craft heading into places no European had yet laid claim to. The unknown loomed; the first tests had been survived but not overcome. Ahead lay new rivers, stranger peoples and dangers that would challenge everything the men had brought with them and everything they thought they knew about the world.