Urban hike · Amsterdam metro
3.85 mi · 29 ft up (6.2 km · 10 m up)
3.9 effort mi (6.3 effort km)
Climbing is what makes a hike hard, and flat miles hide it. So every 500 feet of climbing counts as one extra mile (in kilometres: about 95 m of climbing per extra km).
A flat 6-mile (9.7 km) walk is 6.0 effort miles (9.7 effort km). Little Si — 3.7 miles, 1,300 ft up (6.0 km, 395 m) — is 6.3 (10.1). Your legs already knew those two are about the same amount of work.
How the numbers work — the rules behind your plan.
These numbers are estimates. We haven't walked this one ourselves to check them yet.
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Map tiles come from a third-party host, which sees the general area shown here.
Lake loop on the Bos's north edge, reachable on foot from Amsterdam Zuid.
Tram, bus or on foot from the city
Source: distance measured from the seeded line (OSM route relation 17982264, 2026-08-24); gain from EU-DEM 25 m DEM, sustained rises only; operator publishes 3.73 mi; desk-sourced, not walked