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Collège ollainvillePhoto: Jpve · CC BY-SA 3.0
37%woodland
Outdoors in Ollainville · protected areas, woods and footpaths

37% of Ollainville is woodland, more than in 8 in 10 French towns

No protected area reaches Ollainville; the nearest, Haute Vallée de Chevreuse Regional Nature Park, is 3.6 km from the town center. Waymarked hiking routes add up to 7 km in Ollainville. Footpaths add up to 20 km across Ollainville (1.7 km per km²). France has no Outdoors Grade yet: these are the figures, each beside the compared towns’ median.

Protected areas
0%
of the commune’s land
Nearest: Haute Vallée de Chevreuse Regional Nature Park, 3.6 km
Woodland
37%
of the land, mapped on OpenStreetMap
Compared town: 13%
Footpaths
20 km
1.7 km per km²
Compared town: 1.7 km per km²
Hiking routes
6.9 km
waymarked, GR and others
Compared town: 0.3 km per km²
Parks & woods
7
named, in or within 400 m of the commune
First: Forêt départementale de la Roche Turpin

Throughout this page, the Essonne median and the France median are the median of compared communes (those with an overall grade), each figure its own median.

What kind of place

What kind of outdoors place is Ollainville?

Read from the data: what stands out first, good and less good.

What sets Ollainville apart: its woods, then protected land close by.

Against French towns

How Ollainville compares with French towns

Each figure against the 3,798 compared French towns (communes with an overall grade): the marked bar is the town’s, the line the median. Described, not graded.

Protected areas0%Share of the land in a national park, regional nature park, nature reserve or Natura 2000 site
NoneMedian 0.1%100
22out of 100
Woodland37%Share of the land mapped as forest or woods on OpenStreetMap
Median 13%0100
83out of 100
Footpaths1.7 km per km²Km of mapped footpath and track open on foot, per km² of the commune
Median 1.7 km per km²08+
51out of 100
Hiking routes0.6 km per km²Km of waymarked hiking routes (GR and others), per km² of the commune
NoneMedian 0.3 km per km²3+
67out of 100

Percentiles among compared French towns; ties count half.

Towns its size

Ollainville has the 17th most footpaths per km² of 41 towns its size

The 40 compared French towns nearest in population (5,399 to 5,508 residents), by km of footpath per km². Hover for each one’s protected land and woods; click for its page.

Ollainville 1.7
HeillecourtNoyant-Villages
03.57 km per km²

From Heillecourt (6.1 km per km²) to Noyant-Villages (0.1 km per km²).

Every town in the comparison
TownPaths (km/km²)WoodlandProtectedCoast
1Heillecourt Meurthe-et-Moselle6.11.5%0%369 km
2Marsannay-la-Côte Côte-d'Or647%49%405 km
3Marles-les-Mines Pas-de-Calais3.63.7%0%57 km
4Crégy-lès-Meaux Seine-et-Marne3.510%0%159 km
5Le Cendre Puy-de-Dôme3.43.3%1.8%249 km
6Chevreuse Yvelines2.950%100%147 km
7Saint-Genis-les-Ollières Rhône2.514%0%250 km
8Penmarch Finistère2.50%18%On it
9Roques Haute-Garonne2.44.3%40%148 km
10Peyrolles-en-Provence Bouches-du-Rhône2.463%69%38 km
11La Roque-d'Anthéron Bouches-du-Rhône2.336%51%39 km
12Le Boulou Pyrénées-Orientales219%7.4%18 km
13Plouhinec Morbihan224%32%On it
14Guînes Pas-de-Calais1.834%100%10 km
15Saint-Pierre-lès-Nemours Seine-et-Marne1.845%29%214 km
16Wervicq-Sud Nord1.83%0%48 km
17Ollainville Essonne1.737%0%165 km
18Rosheim Bas-Rhin1.757%0%443 km
19Rousset Bouches-du-Rhône1.77.1%7.7%27 km
20Arnage Sarthe1.611%0%138 km
21Flers-en-Escrebieux Nord1.512%1%85 km
22Bordères-sur-l'Échez Hautes-Pyrénées1.422%0%128 km
23Foulayronnes Lot-et-Garonne1.49.9%0%130 km
24Lacroix-Saint-Ouen Oise1.273%76%121 km
25Coulogne Pas-de-Calais1.21.1%0%4.7 km
26Grans Bouches-du-Rhône1.213%43%22 km
27Aiffres Deux-Sèvres13.4%14%54 km
28Fenain Nord110%99%97 km
29Drap Alpes-Maritimes0.833%0%4.8 km
30Saint-Memmie Marne0.74.7%0%239 km
31La Ferrière Vendée0.79.6%0%38 km
32Boulay-Moselle Moselle0.711%0%339 km
33Mouguerre Pyrénées-Atlantiques0.540%7.9%11 km
34Reichshoffen Bas-Rhin0.527%100%420 km
35Étoile-sur-Rhône Drôme0.58.7%1.6%154 km
36Ploumagoar Côtes-d'Armor0.520%0%19 km
37Châtillon-sur-Seine Côte-d'Or0.412%100%334 km
38Ernée Mayenne0.31.4%0.1%48 km
39Aubigny-sur-Nère Cher0.325%24%265 km
40Nueil-les-Aubiers Deux-Sèvres0.24.2%0%83 km
41Noyant-Villages Maine-et-Loire0.123%13%164 km
The map

Parks, woods, footpaths & countryside

Tap a number to zoom to a park or wood. Tap a layer to hide it. The dashed line is the commune’s boundary.

1234567
Green: parks, gardens and woods mapped on OpenStreetMap, named or not.© OpenStreetMap contributors · INPN / PatriNat · IGN
Places to walk

Parks and woods to walk in, in and around Ollainville

Named parks, gardens and woods in the commune or within 400 m, the biggest and best-pathed first: Forêt départementale de la Roche Turpin leads, at 968 ha. Directions go to a point inside.

First pick

Forêt départementale de la Roche Turpin

Wood or forest
968 ha54.5 km of path
12 h 5 minto walk all 54.5 km of path
4.3 km north-westfrom the center
Chemin Rural de Bruyères à CoursonChemin Rural des Terres Fortes ou d'Arpajon à Mulleron
Directionsto a point inside

Bois Labette

Wood or forest
337 ha5 km of path
1 h 5 minto walk all 5 km of path
3.4 km south-westfrom the center
Chemin Rural de Bruyères-le-Châtel à Saint-Maurice
Directionsto a point inside

Parc de l'Eau

Park or garden
6.7 ha1.4 km of path
20 minto walk all 1.4 km of path
0.9 km southfrom the center
Directionsto a point inside

Parc de la Butte aux Grès

Park or garden
7 ha
1.2 km north-eastfrom the center
Directionsto a point inside

Parc de l’Ardrouillère

Park or garden
2.8 ha0.5 km of path
5 minto walk all 0.5 km of path
1.5 km north-eastfrom the center
Directionsto a point inside

Parc Théophile Guesdon

Park or garden · 230 m outside the commune
0.7 ha0.1 km of path
1.4 km eastfrom the center
Directionsto a point inside

Parc de la Villa de la Tourelle

Park or garden
0.5 ha
0.7 km south-westfrom the center
Directionsto a point inside

Source: © OpenStreetMap contributors (ODbL): named parks, gardens and woods; sizes are the whole site.

Protected areas

Haute Vallée de Chevreuse Regional Nature Park is the nearest protected area, 3.6 km away

The protected areas reaching the commune, and the nearest: national parks, regional nature parks, nature reserves and Natura 2000 sites.

Regional nature park

Haute Vallée de Chevreuse Regional Nature Park

3.6 km from the town center

Share of the commune’s land

Any protected area0%

Designations overlap (a regional park can hold a Natura 2000 site), so the rows don’t add up; the first counts each piece of land once.

Source: INPN / PatriNat, protected areas July 2026, Natura 2000 December 2024; shares of IGN’s commune boundary.

Footpaths and woods

20 km of footpaths and 7 km of hiking routes cross Ollainville

Paths, bridleways, steps and tracks open on foot, and waymarked hiking routes, mapped on OpenStreetMap inside the commune; woods are mapped forest and woodland, private woods included.

Footpaths
20 km
1.7 km per km²
Hiking routes
6.9 km
waymarked: 0.6 km per km²
Woodland
37%
about 4.2 km² of mapped woods

Km per km² of the commune · mapped on OpenStreetMap

OllainvilleEssonne medianFrance median
Footpaths1.7
Hiking routes0.6
02.55 km per km²

Share of the land · mapped woods and forest

OllainvilleEssonne medianFrance median
Woodland37%
0%50%100%

That is more than in 51% of compared French towns for footpaths per km², and for woodland more than in 83% of compared French towns. Hiking routes often follow paths and lanes already counted, so the two lengths overlap: don’t add them. Every home in Ollainville is within 800 m of a mapped park or wood, as in most French towns.

5 named hiking routes within 2 km

GR (long-distance)Other named walk
GR 655ET8.6 km
Bassin de l'Orge et moulin de Trévoix13 km
De la Bièvre à l'Orge12 km
Du Val d'Yerres à l'Étampois12 km
Promenade de l'Orge7.3 km

GR 655ET passes within 2 km of Ollainville.

Source: © OpenStreetMap contributors (ODbL), extracts of October 25, 2026 (Geofabrik).

When to get out

The best walking months in Ollainville: April and June to September

Météo-France’s 1991–2020 normals at Fontenay-Les-B., 4.7 km away, and the daylight at the town’s latitude. Outlined months have long days, highs of 15 to 30 °C and little rain for the place.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)8.710.111.713.615.216.115.714.312.510.79.18.3
High (°C)791316202426262217118
Rain (mm)544950486958616351616171

April is the driest month (48 mm) and July the warmest (highs of 26 °C). 71 mm of rain falls in December, the wettest month. Frost comes on about 53 nights a year. The climate in Ollainville →

Neighbors

Next to Ollainville

The nearest towns of 2,500 or more, colored by the share of their land in protected areas.

ArpajonÉglySaint-Germain-lès-ArpajonLa NorvilleBruyères-le-ChâtelLeuville-sur-OrgeOllainville
Under 1%1–10 %10–25 %25–50 %50 %+
TownProtectedWoodlandPaths (km/km²)
Ollainville0%37%1.7
Arpajon
11,698 · 1.7 km
0%2.4%3.3
Égly
7,166 · 1.8 km
0%13%3.9
Saint-Germain-lès-Arpajon
11,623 · 2.6 km
0%16%3
La Norville
4,268 · 2.8 km
0%4%2.2
Bruyères-le-Châtel
3,788 · 2.8 km
0.1%64%4.2
Leuville-sur-Orge
4,271 · 3.6 km
0%15%3.8

Bruyères-le-Châtel is more wooded.

How to read these numbers

What this data can and can’t tell you

  • Protected areas. National-park cores, national parks’ outer areas, regional nature parks, nature reserves and Natura 2000 sites, from INPN. A national park’s core is strictly protected; its outer area and a regional park are charters between communes, not bans. Designations overlap, so the total counts each piece of land once.
  • Woodland. Forest and woods as OpenStreetMap maps them, private woods included: woods nobody has mapped are missing, and a mapped wood isn’t necessarily open to walkers.
  • Footpaths and hiking routes. Footpaths, bridleways, steps and tracks open on foot, then waymarked hiking routes (GR and others) measured apart. A route often follows a path or lane already counted: the two overlap. Paths nobody has mapped are missing.
  • Green space nearby. The share of residents (INSEE’s 200 m grid) within 800 m, as the crow flies, of a mapped park, garden or wood edge. It measures nearness, not a way in. Guadeloupe and French Guiana have no grid: their pages say whether the town center is within 800 m.
  • The coast. The straight-line distance from the town center to OpenStreetMap’s coastline, which follows the tide line into estuaries. A commune is on the coast when the coastline crosses its boundary.
  • No grade yet. U.S. and UK towns have an Outdoors Grade; French towns don’t yet. Each figure is set beside the median of compared communes (those with an overall grade) in the département and in France, each figure its own median.

Questions about the outdoors in Ollainville

Is Ollainville in a national or regional nature park?

No. The nearest protected area is Haute Vallée de Chevreuse Regional Nature Park, 3.6 km from the town center.

Are there good walks in Ollainville?

OpenStreetMap maps 20 km of footpaths and tracks open on foot in the commune, 1.7 km per km² (the median compared town: 1.7 km per km²); 7 km of waymarked hiking routes cross it.

How much of Ollainville is woodland?

37% of the commune is mapped woodland, private woods included; the median compared French town has 13%.

Is Ollainville near the sea?

No: the coast is 165 km from the town center, as the crow flies.

When is the best time for walking in Ollainville?

April and June to September: long days, mild highs and little rain, from Météo-France’s 1991–2020 normals at the nearest suitable station.

Why is there no Outdoors Grade for French towns?

TownRatings grades the outdoors in the U.S. and the UK; the French figures are new and not graded yet. This page sets each one beside the median compared French town instead.

Sources: INPN / PatriNat (protected areas 2026, Natura 2000 2024) · © OpenStreetMap contributors, ODbL (paths, hiking routes, woods, coast, gardens) · INSEE, Filosofi 2021 200 m grid (residents) · IGN Admin Express (boundaries) · Météo-France normals 1991–2020 · Medians and percentiles: TownRatings, over compared French towns, updated November 9, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).

Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.