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Strands of native, low-growing succulent akulikuli (Sesuvium portulacastrum) drape themselves across dark basaltic rocks on an Oahu beach.

Trail map

Only listed if the map cannot be found near the “Description.” Some trips, like the botanical gardens, don’t have maps because you can get the current map when you visit. See the end of this chapter for the trail-map conventions.

Difficulty and suggested shoes

A trip’s difficulty is based first on total distance and second on cumulative elevation gain and rate of gain. Let’s say that the elevation gain is negligible to moderate (it’s never steeper than about 500 feet/mile for any significant distance). In that case:

A very easy trip is 1 mile or less with negligible elevation gain/loss.

An easy trip is 1–2 miles with little elevation gain/loss.

A moderate trip is 2–5 miles and has some noticeable elevation gain/loss.

A strenuous trip is more than 5 miles and has significant elevation gain/loss.

If the trip has a section of, say, a half mile or more where it’s steeper than 500 feet per mile, or if the trail is especially rough or hard to follow, I’ve given it the next higher difficulty rating.