Sentier de la Porte Fortifiée
Loop Walk
200
XP
about 45 min walking
677 m
627 m
577 m
Move along the chart to follow it on the map
Heights: Copernicus DEM GLO-30 © DLR e.V. 2010–2014 and © Airbus Defence and Space GmbH 2014–2018, provided under COPERNICUS by the European Union and ESA.
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Some very steep ground — marked on the map.
Climb
90 m
Drop
81 m
Highest
664 m
Lowest
581 m
Walking time
about 45 min
Which way round
Clockwise: Climbs 18% for 230 m near the end, no steep descents.
Anticlockwise: No steep climbing, comes down 18% for 230 m early on.
Better clockwise: you climb the steeper side (0.2 km at 10%+, 0.2 km of it 15%+) and come down no steep ground. Steep descents are where people slip, and they're harder on knees late in a walk.
Main climb: km 1.5–3.0, from 598 m to 639 m.
How the 3.0 km splits
Flat
0.6 km
Climbing
1.0 km
Very steep climbing (15%+)
0.2 km
Descending
1.2 km
Link it with other walks
Côte Poire
Starts here too · Shares 1.0 km of path · meets at km 0.97.32 km
la Tram'Jurassienne
Shares 1.0 km of path · meets at km 0.0, 1.931.38 km
la Roche des Commères
Shares 0.7 km of path · meets at km 0.0, 2.15.71 km
Sentier des Pertes de l'Ain
Shares 0.3 km of path · meets at km 1.31.07 km
Pdipr39
Crosses at km 0.1, 1.3858.59 km
le Venteur
Crosses at km 1.87.17 km
le Tour des Pertes de l'Ain
Crosses at km 2.60.2 km