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Motorcycle and car loop from Grenoble

From Grenoble (Auvergne-Rhône-Alpes) we calculate the twistiest round trip in three lengths, for motorcycle and car. It runs over paved country roads without motorways. Every figure comes from the calculated route.

Ride this loop in the app See map and curves

The app calculates a loop from your location with the same method.

Kilometres
206.4km
Curves
534
Climbing
3520m
Median radius
59m
Curves per 100 km
225.3
Map of the 206 km round trip from Grenoble Grenoble Le Pont-de-Claix Fontaine Échirolles Saint-Égrève Seyssinet-Pariset Meylan Séchilienne La Mure Corrençon-en-Vercors Vizille Villard-de-Lans Lans-en-Vercors Saint-Honoré Start and finish

Tap a dot on the map for its radius and road.

Radius explorer

Move the cursor over a bar. The curves of that class light up on the map, with their km position.

Tightest radius per curve

69 curves sit at junctions and are left out of these figures, for example turns with a small radius.

Curve character

Of 206.4 km, 72.8 km run through curves. The rest is straight or a junction turn.

Tight
2.2 km, 1.1 %
radius under 60 m
Medium
32.2 km, 15.7 %
60 to 180 m
Wide
38.4 km, 18.7 %
180 to 400 m
Straights and junctions
132.2 km, 64.5 %

Key figures of the route

Tightest curve
At km 28.0 on D 114: radius 17 m, left.
Longest curve passage
44 curves over 6.8 km, from km 88.0 on D 116.
Densest curve stretch
56 curves over 10 km, from km 23.5. The quieter kilometres come before.
First free curve
At km 12.6. Before that, no curve away from junctions lies on the route.
Longest climb
20.4 km with 139 m of ascent, from km 1.0 on D 1091. Average gradient 0.7 %.

Elevation profile

From 204 m to 1369 m. 3520 m up, 3525 m down.

Drag a finger or the cursor along the profile. The map shows the spot.

High: km 44.1: 1223 m High: km 58.4: 1149 m Low: km 76.6: 654 m High: km 80.1: 1106 m High: km 90.8: 780 m Low: km 94.0: 643 m

Turning points

  • High km 44.1: 1223 m
  • High km 58.4: 1149 m
  • Low km 76.6: 654 m
  • High km 80.1: 1106 m
  • High km 90.8: 780 m
  • Low km 94.0: 643 m

Compared with the standard loop

The reference is the fastest round trip with the same start, heading and circle radius.

Compared with the standard loop Twisty loop Standard loop
Kilometres206.4209.0
Curves465460
Curves per 100 km225.3220.1
Motorway0.0 km15.4 km

Among the cities

Rank 13 of 75 cities in France. Median 134.9 curves per 100 km, Grenoble sits at 210.8.

Similar cities

All lengths from Grenoble

Every length in both directions. The curve column shows the count away from junctions first, then the total.

Length Direction Kilometres Curves Curves per 100 km Median radius Climbing
60 km Outbound 65.0 km 155 / 210 238.4 58 m 1305 m
60 km Reverse 65.0 km 157 / 208 241.4 60 m 1316 m
120 km Outbound 113.7 km 192 / 254 168.8 63 m 1601 m
120 km Reverse 113.7 km 191 / 257 167.9 64 m 1605 m
200 km Outbound 206.4 km 465 / 534 225.3 59 m 3520 m
200 km Reverse 206.4 km 459 / 525 222.4 61 m 3538 m

Every curve with its position

465 curves away from junctions, with km position, tightest radius and road.

km Radius Road
12.680 mD 1085B
13.4142 mD 1085B
20.085 mD 1091
20.8200 mD 1091
23.357 mD 113
23.6129 mD 113
23.937 mD 113
24.145 mD 113
24.2112 mD 113
24.325 mD 113
24.435 mD 113
24.619 mD 113
24.623 mD 113
24.953 mD 113
25.049 mD 113
25.150 mD 113
25.543 mD 114
25.543 mD 114
25.653 mD 114
25.865 mD 114
25.992 mD 114
26.084 mD 114
26.348 mD 114
26.332 mD 114
26.528 mD 114
26.720 mD 114
26.820 mD 114
27.039 mD 114
27.233 mD 114
27.230 mD 114
27.230 mD 114
27.375 mD 114
27.894 mD 114
27.9101 mD 114
28.017 mD 114
28.217 mD 114
28.259 mD 114
28.760 mD 114
28.994 mD 114
29.425 mD 114
30.434 mD 114
30.534 mD 114
30.640 mD 114
31.065 mD 114
31.165 mD 114
31.346 mD 114
31.448 mD 114
31.634 mD 114
31.765 mD 114
31.948 mD 114
32.048 mD 114
32.053 mD 114
32.164 mD 114
32.364 mD 114
32.417 mD 114
32.642 mD 114
32.636 mD 114
32.753 mD 114
32.940 mD 114
33.240 mD 114
33.420 mD 114
34.317 mD 114
34.358 mD 114
35.118 mD 114
35.652 mD 114
35.652 mD 114
35.937 mD 114
35.937 mD 114
36.148 mD 114
36.360 mD 114
36.552 mD 114
36.764 mD 114
37.069 mD 114
37.466 mD 114
37.7107 mD 114
39.156 mD 114
39.270 mD 114
39.4106 mD 114
39.917 mD 114
39.917 mD 114
40.4103 mD 114
41.242 mRoute de l'Église
41.991 mRue de la Cascade
42.181 mRue de la Cascade
42.499 mRue de la Cascade
43.379 mRue de la Cascade
43.479 mRue de la Cascade
43.627 mRue de la Cascade
43.727 mRue de la Cascade
44.751 mRue de la Cascade
44.927 mRue de la Cascade
45.0110 mRue de la Cascade
45.279 mRue de la Cascade
46.099 mRue de la Cascade
46.282 mRue de la Cascade
46.591 mRue de la Cascade
46.659 mRue de la Cascade
48.6103 mD 114
49.965 mD 114
50.052 mD 114
52.678 mD 114
53.178 mD 114
53.292 mD 114
55.094 mD 114
55.340 mD 114
55.541 mD 114
55.758 mD 114
55.827 mD 114
55.927 mD 114
56.027 mD 114
57.622 mD 114
58.261 mD 114
58.555 mD 114
58.785 mD 114
58.976 mD 114
59.017 mD 114
59.117 mD 114
59.320 mD 114
59.640 mD 114
59.773 mD 114
60.440 mD 114
60.650 mD 114
62.475 mD 114
62.571 mD 114
62.872 mD 114
63.085 mD 114
66.539 mD 116
66.8112 mD 116
67.1131 mD 116
67.4110 mD 116
68.940 mD 116
69.138 mD 116
69.341 mD 116
69.441 mD 116
69.558 mD 116
69.785 mD 116
70.148 mD 116
70.968 mD 116
71.184 mD 116
71.330 mD 116
71.722 mD 116
72.354 mD 116
72.575 mD 116
72.764 mD 116
72.839 mD 116
73.039 mD 116
73.751 mD 116
73.931 mD 116
74.031 mD 116
74.045 mD 116
74.263 mD 116
74.363 mD 116
74.426 mD 116
74.830 mD 116
75.247 mD 116
75.451 mD 116
75.538 mD 116
76.076 mD 116
76.176 mD 116
76.378 mD 116
76.757 mD 116
76.978 mD 116
77.165 mD 116
77.253 mD 116
77.350 mD 116
77.6105 mD 116
78.271 mChemin du Senepi
78.363 mChemin du Senepi
78.430 mChemin du Senepi
78.568 mChemin du Senepi
78.768 mChemin du Senepi
79.143 mChemin du Senepi
79.143 mChemin du Senepi
79.650 m
79.642 m
79.938 m
79.938 m
80.199 m
80.532 m
80.632 m
81.479 m
81.523 m
81.623 m
81.865 m
81.934 m
82.287 m
82.378 m
82.436 m
82.529 m
82.687 m
83.477 mD 116
83.759 mD 116
84.188 mD 116
87.0125 mD 116
87.264 mD 116
87.449 mD 116
88.061 mD 116
88.029 mD 116
88.129 mD 116
88.253 mD 116
88.467 mD 116
88.454 mD 116
88.454 mD 116
88.563 mD 116
88.628 mD 116
88.728 mD 116
89.061 mD 116
89.133 mD 116
89.233 mD 116
89.362 mD 116
89.5114 mD 116
89.538 mD 116
89.832 mD 116
89.932 mD 116
89.932 mD 116
90.041 mD 116
90.285 mD 116
90.435 mD 116
90.941 mD 116
90.941 mD 116
91.496 mD 116
91.880 mD 116
92.171 mD 116
92.372 mD 116
92.459 mD 116
92.562 mD 116
92.629 mD 116
92.829 mD 116
92.828 mD 116b
93.055 mD 116b
93.348 mD 116b
93.336 mD 116b
93.536 mD 116b
93.764 mD 116b
93.955 mD 116b
94.130 mD 116b
94.330 mD 116b
94.496 mD 116b
94.565 mD 116b
94.718 mD 116b
95.418 mD 116b
95.593 mD 116b
95.681 mD 116b
95.993 mD 116b
96.057 mD 116b
97.1271 mRoute du Vivier
97.338 mD 529
97.7143 mD 529
99.891 mD 529
99.991 mD 529
100.195 mD 529
100.3176 mD 529
100.451 mD 529
100.543 mD 529
100.736 mD 529
101.0104 mD 529
101.8147 mD 529
102.0134 mD 529
102.294 mD 529
102.448 mD 529
103.2178 mD 529
103.4112 mD 529
103.668 mD 529
103.735 mD 529
103.960 mD 529
104.156 mD 529
104.4176 mD 529
104.6193 mD 529
105.1108 mD 529
105.382 mD 529
105.7166 mD 529
105.8105 mD 529
106.037 mD 529
106.192 mD 529
106.284 mD 529
106.498 mD 529
106.483 mD 529
106.527 mD 529
106.886 mD 529
107.031 mD 529
107.121 mD 529
107.378 mD 529
107.9152 mD 529
108.176 mD 529
108.368 mD 529
110.173 mD 529
115.1168 mD 1085B
116.8188 mD 1085a
117.8922 mAvenue du Maquis de l'Oisans
117.956 mAvenue du Maquis de l'Oisans
122.092 mD 1075
123.0476 mD 6
123.3158 mAvenue du Général de Gaulle
124.1220 mAvenue du Général de Gaulle
124.5182 mAvenue Pierre de Coubertin
125.21187 mAvenue Pierre de Coubertin
126.0110 mD 106B
126.91521 mD 1532
130.8303 mNouvelle Route du Vercors
130.843 mNouvelle Route du Vercors
131.3114 mD 531
131.7166 mD 531
132.2101 mD 531
132.321 mD 531
132.681 mD 531
133.553 mD 531
133.747 mD 531
133.847 mD 531
134.220 mD 531
135.223 mD 531
136.286 mD 531
136.6102 mD 531
136.874 mD 531
137.194 mD 531
137.385 mD 531
137.662 mD 531
138.019 mD 531
138.119 mD 531
138.392 mD 531
138.557 mD 531
138.556 mD 531
138.751 mD 531
138.851 mD 531
138.9108 mD 531
138.917 mD 531
139.117 mD 531
139.259 mD 531
139.359 mD 531
139.480 mD 531
140.766 mD 531
140.969 mD 531
141.065 mD 531
141.550 mD 531
141.750 mD 531
141.979 mD 531
141.936 mD 531
142.135 mD 531
142.235 mD 531
142.359 mD 531
142.464 mD 531
142.798 mD 531
142.851 mD 531
142.851 mD 531
143.1128 mD 531
144.1141 mD 531
145.581 mD 531
146.1186 mD 531
146.5116 mD 531
146.776 mD 531
146.969 mD 531
147.4132 mD 531
147.563 mD 531
147.768 mD 531
151.0113 mD 531
155.4103 mD 531
156.9189 mAvenue Jean-Séraphin Achard-Picard
157.5164 mRoute de la Balmette
157.7136 mRoute de la Balmette
159.5161 mD 215
160.375 mD 215
161.2136 mD 215
161.766 mD 215
161.875 mD 215
162.761 mD 215
163.448 mChemin de l'Alloubière
163.750 mChemin de l'Alloubière
163.850 mChemin de l'Alloubière
164.259 mChemin de l'Alloubière
164.259 mChemin de l'Alloubière
164.549 m
164.725 m
164.730 m
164.935 m
165.066 m
165.349 m
165.863 m
166.132 mRoute forestière de la Grande Allée
166.649 mRoute forestière de la Grande Allée
167.277 mRoute forestière de la Grande Allée
167.271 mRoute forestière de la Grande Allée
167.333 mRoute forestière de la Grande Allée
167.441 mRoute forestière de la Grande Allée
167.667 mRoute forestière de la Grande Allée
167.731 mRoute forestière de la Grande Allée
167.828 mRoute forestière de la Grande Allée
167.826 mRoute forestière de la Grande Allée
167.926 mRoute forestière de la Grande Allée
168.074 mRoute forestière de la Grande Allée
168.055 mRoute forestière de la Grande Allée
168.243 mRoute forestière de la Grande Allée
168.243 mRoute forestière de la Grande Allée
168.344 mD 215c
168.438 mD 215c
168.535 mD 215c
168.636 mD 215c
168.746 mD 215c
168.839 mD 215c
168.939 mD 215c
169.176 mD 215c
169.640 mD 215c
169.640 mRoute de Bois Barbu
169.8118 mRoute de Bois Barbu
170.164 mRoute de Bois Barbu
170.488 mRoute de Bois Barbu
170.951 mRoute de Bois Barbu
171.343 mRoute de Bois Barbu
171.428 mRoute de Bois Barbu
172.561 mRoute de Bois Barbu
172.661 mRoute de Bois Barbu
174.679 mAvenue de Prénatier
179.0107 mD 531
181.239 mRoute du Villard
182.672 mD 531
182.763 mD 531
182.867 mD 531
183.370 mD 531
183.475 mD 531
183.7114 mD 531
184.1182 mD 531
184.781 mD 531
186.2134 mD 531
187.1116 mD 531
187.380 mD 531
187.540 mD 531
187.640 mD 531
187.968 mD 531
188.064 mD 531
188.163 mD 531
188.235 mD 531
188.335 mD 531
188.436 mD 531
188.758 mD 531
188.852 mD 531
189.292 mD 531
189.464 mD 531
189.655 mD 531
190.7136 mD 531
191.065 mD 531
191.158 mD 531
191.285 mD 531
191.317 mD 531
191.566 mD 531
191.654 mD 531
191.754 mD 531
191.856 mD 531
192.059 mD 531
192.2100 mD 531
192.319 mD 531
192.764 mD 531
193.0128 mD 531
193.188 mD 531
193.575 mD 531
193.780 mD 531
194.087 mD 531
195.120 mD 531
196.119 mD 531
196.480 mD 531
196.546 mD 531
196.852 mD 531
197.6176 mD 531
197.821 mD 531
198.021 mD 531
198.394 mD 531
198.6109 mD 531
204.554 mD 1532

How it was measured

  • Route: a round trip from Grenoble, calculated on road data from 3 Jul 2026. Of several possible loops of the same length we show the one with the most rideable curves. Motorways are excluded.
  • Vehicle: The route is calculated for a motorcycle and runs on paved roads. A car can drive it too. On narrow stretches a car route can differ in detail.
  • Curve: a turn in one direction of at least 35 degrees. The DriveBattle app counts the same way.
  • Radius: the tightest curve radius inside the curve. Turns at junctions are flagged and do not count towards radius, tightest curve or passage.
  • Elevation: ground height along the route, smoothed over about 450 m. A climb counts from a 5 m height difference.
  • Calculated on 5 Oct 2026. The figures describe this route. The state of the road on the day you ride can differ.

Calculated on 5 Oct 2026

Questions about the round trip

How long is the round trip from Grenoble?

There are three lengths: 60, 120, 200 km. The calculated routes measure 65.0, 113.7, 206.4 km.

Can I drive the round trip by car?

Yes. The route runs over paved country roads without motorways and can be driven by car and motorcycle. It is calculated for a motorcycle, so on very narrow stretches a car route can differ in detail.

How many curves does the round trip from Grenoble have?

On 120 km we count 254 curves, 192 of them away from junctions. That is 168.8 free curves per 100 km.

How tight is the tightest curve?

On 120 km the tightest radius is 18 m, at km 42.1. The median radius of all curves is 63 m.

How much climbing does the route have?

On 120 km it is 1601 m of ascent. The highest point is 1217 m, the lowest 204 m.

Can I ride this round trip with the app?

Yes. The round-trip generator in the DriveBattle app calculates loops from your location with the same method.

Get it on Google Play

The round-trip generator is part of Premium. During the beta it is open to everyone.

Ride in the app