So we sat, and we talked. She was wearing a pink T-shirt, a baseball cap, faded brown trousers and gumboots. Stockily built, in her 40s, and defensive about continuing to grow a crop that her government says she should not be growing.
"We cannot make a living growing just coffee and bananas," she said. "It takes years for those trees to become established, so what should we live on? We get no help from the government, so we have to grow the coca."
She would love to stop, she said - but that may have been because she knew that was what she was meant to say.