Fictional route model · no live navigation

Heat Margin Map

The shortest route is not always the route with the most room to breathe.

A late-July afternoon in the city. Choose what matters most for this short walk, then compare two traces to see where the hidden heat cost hides. Not weather, medical, or navigation advice.

What matters most today

pick one

Blends time and heat exposure with moderate penalties, rewarding routes with water and rest.

Route comparison map and heat journey strips

Fictional model
STARTGALLERY
Two fictional ink routes drawn on a folded paper map. Route colors are supported by line style and text labels.
  • hot surface
  • cool surface
  • shade cover
  • water
  • rest
  • crossing wait

Heat journey · tap a route or segment

Pick

Why this route

For the balanced priority, take the Teramachi Arcade Loop.

  1. A covered arcade keeps you out of direct sun for most of the walk.
  2. A convenience store offers a mid-route water point and a place to pause.
  3. Its single open segment is short — the longest unshaded stretch is tiny.

Side by side

Comparison of Kamo Riverside Direct and Teramachi Arcade Loop across time, heat load, shade, sun exposure, and water or rest access. The recommended route for the balanced priority is Teramachi Arcade Loop.
MetricA · DirectB · Sheltered
Time on foot15min22min
Heat load index289
Shaded minutes3min15min
Longest sun stretch9min3min
Water / restnone

Heat load index is a fictional model value derived from time, surface heat, and shade per segment.

Do this

Leave four minutes earlier and take the shaded arcade — you arrive with far more margin.

Compared with the Kamo Riverside Direct, this trades about 7 minutes for a 68% swing in modeled heat load.