At the 10km mark, the walk takes a steep turn: the next kilometre is a scramble from about 300m above sea level to almost 500m, before a relatively quick descent to Hot Water Beach.

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Each were equally unfamiliar with the 3.4-mile, 20-turn circuit, and much attention was paid to an imposingly steep hill and sharp left turn on the northeast section of the course.

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Under the arrangement, Lupron producer TAPPharmaceutical Products Inc. sold urologists the drug at a steep discount, while the urologists in turn billed Medicare for the full price.

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And they may turn their backs on those who occupy a house on a steep slope that fire engines struggle to climb.

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But the most fearsome of these fences isn't "The Chair, " a 5-foot-3 high hedge fronted by an open ditch, the sharp bend of the "Canal Turn, " or even the dreaded "Becher's Brook, " with its steep 6-foot-5 drop.

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Anyone who has ever been to Rwanda can tell you that the hills here are no joke: every hairpin turn boasts views of mountains and more mountains, and even the urban neighborhoods are built on steep hillsides.

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