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Motorcycle and car loop from Swansea

From Swansea (Wales) 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.

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

Kilometres
63.5km
Curves
107
Climbing
485m
Median radius
76m
Curves per 100 km
92.8
Map of the 64 km round trip from Swansea Swansea Kittle Newton Knelston Slade Overton Ilston Scurlage Lunnon Pennard Penmaen Southgate 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

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

Curve character

Of 63.5 km, 19.6 km run through curves. The rest is straight or a junction turn.

Tight
0.2 km, 0.3 %
radius under 60 m
Medium
6.4 km, 10.1 %
60 to 180 m
Wide
13.1 km, 20.7 %
180 to 400 m
Straights and junctions
43.6 km, 68.9 %

Key figures of the route

Tightest curve
At km 10.9 on Plunch Lane: radius 28 m, left.
Longest curve passage
6 curves over 1.2 km, from km 25.5.
Densest curve stretch
20 curves over 10 km, from km 24.5. The quieter kilometres come before.
First free curve
At km 1.0. Before that, no curve away from junctions lies on the route.
Longest climb
7.3 km with 76 m of ascent, from km 8.2 on Murton Lane. Average gradient 1.0 %.

Elevation profile

From 6 m to 103 m. 485 m up, 489 m down.

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

High: km 15.5: 86 m Low: km 20.7: 12 m Low: km 32.5: 57 m High: km 34.6: 103 m High: km 47.3: 89 m Low: km 49.7: 12 m

Turning points

  • High km 15.5: 86 m
  • Low km 20.7: 12 m
  • Low km 32.5: 57 m
  • High km 34.6: 103 m
  • High km 47.3: 89 m
  • Low km 49.7: 12 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
Kilometres63.566.1
Curves5952
Curves per 100 km92.878.6
Motorway0.0 km0.0 km

1.2 times as many curves per 100 km as the standard loop.

Among the cities

Rank 26 of 50 cities in United Kingdom. Median 102.2 curves per 100 km, Swansea sits at 102.1.

Similar cities

All lengths from Swansea

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 63.5 km 59 / 107 92.8 76 m 485 m
60 km Reverse 63.5 km 59 / 108 92.8 75 m 505 m
120 km Outbound 114.7 km 124 / 220 108.1 72 m 1317 m
120 km Reverse 114.7 km 127 / 210 110.7 70 m 1314 m
200 km Outbound 181.0 km 191 / 306 105.5 73 m 2042 m
200 km Reverse 181.0 km 193 / 304 106.6 73 m 2066 m

Every curve with its position

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

km Radius Road
1.098 mB4290
7.7103 mMumbles Road
8.742 mMumbles Road
9.879 m
9.865 m
10.281 mPlunch Lane
10.568 mPlunch Lane
10.928 mPlunch Lane
11.045 mHigher Lane
11.795 mHigher Lane
12.297 mB4593
12.353 mB4593
14.0110 mMurton Lane
14.548 mManselfield Road
16.183 mB4436
16.483 mB4436
19.186 mA4118
19.373 mA4118
19.572 mA4118
19.9136 mA4118
21.280 mA4118
21.667 mA4118
25.558 m
25.785 m
25.837 m
25.980 m
26.2130 m
26.4100 m
27.468 m
27.548 m
27.780 m
28.2130 m
31.646 m
31.960 m
32.041 m
32.262 m
32.332 m
32.432 m
32.532 m
33.571 m
33.771 m
34.3128 m
38.255 mB4247
40.372 mA4118
42.9107 mA4118
44.7124 mA4118
45.165 mA4118
48.872 mA4118
49.072 mA4118
50.4132 mA4118
50.976 mA4118
51.074 mA4118
51.385 mA4118
53.9124 mB4436
54.182 mB4436
54.7138 mB4436
56.9158 mB4436
57.6113 mB4436
61.780 mB4290

How it was measured

  • Route: a round trip from Swansea, 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 Swansea?

There are three lengths: 60, 120, 200 km. The calculated routes measure 63.5, 114.7, 181.0 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 Swansea have?

On 120 km we count 220 curves, 124 of them away from junctions. That is 108.1 free curves per 100 km.

How tight is the tightest curve?

On 120 km the tightest radius is 18 m, at km 63.8. The median radius of all curves is 72 m.

How much climbing does the route have?

On 120 km it is 1317 m of ascent. The highest point is 489 m, the lowest 5 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.

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

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