Urban hike · Seattle metro
3.39 mi · 450 ft up (5.5 km · 135 m up)
4.3 effort mi (6.9 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.
Shaded, gentle, water tower finish
Source: distance from the desk-GIS line (SPR/SDOT/OSM, Aug 20 2026); gain still Kate's estimate - not yet walked (H4)