Portolan NL BAG Light × Nationale Parken n = 70,789 buildings inside parks PMTiles · MapLibre · DuckDB

What's inside
a Dutch national park?

The Netherlands has 21 national parks covering 237,000+ hectares — but they are not empty wilderness. By spatially joining 11.4 million BAG building footprints against the park boundaries, we find 70,789 buildings standing inside park lines. Most are in two parks. The rest are nearly empty.

21
National Parks
237k ha
Total Park Area
70,789
Buildings Inside
88%
In just 2 parks
§ 01

The two outliers

Drentsche Aa · Van Gogh

The story of buildings in Dutch national parks is dominated by two: Drentsche Aa in Drenthe (37,270 buildings) and the new Van Gogh National Park in North Brabant (25,126 buildings). Together that's 88% of all buildings in any Dutch park. Both are inhabited cultural landscapes — esdorpen, farmsteads, hamlets — designated as parks precisely because their human-made structure is part of the natural heritage.

Compare that to De Hoge Veluwe (47 buildings on 5,104 ha) or Schiermonnikoog (31 buildings on 6,838 ha) — these are wilder, with strict access limits. De Groote Peel has just 5 buildings across its 1,314 hectares.

1.13

Drentsche Aa

Buildings per hectare. By far the most populated park — entire villages like Anloo, Gasteren, and Schipborg sit within its boundaries.

0.009

De Hoge Veluwe

Buildings per hectare. The country's iconic conservation park: forests, heathland, the Kröller-Müller Museum, and almost nothing else.

5

De Groote Peel

Total buildings. A protected raised-bog wetland that is essentially uninhabited.

§ 02

Building functions, by park

Stacked composition

Each park has its own building character. Drentsche Aa is dominated by residential and outbuildings — a working agricultural landscape. Van Gogh shows more mixed-use. Smaller parks like Utrechtse Heuvelrug have a high share of lodging (logiesfunctie) — hotels, B&Bs, recreation parks tucked into the woods.

Composition by park

Buildings inside boundary, by function · log scale

Function totals

All 70,789 buildings combined
§ 03

When were they built?

Construction year

Older than you might expect. 1,666 buildings in Dutch national parks were built before 1900 — many are listed monumenten, churches, farmhouses, hunting lodges. The 1945–1979 boom shows up here too, but post-park-designation construction (2000+) is also substantial: park status restricts but doesn't freeze building activity.

Construction era of buildings inside parks

Active buildings (status: Pand in gebruik)
§ 04

Live map

PMTiles · 11.4M buildings · 21 parks

Both layers stream directly from cloud-native PMTiles via HTTP range requests — no tile server, no GeoJSON download. The full 933 MB BAG GeoParquet is published as a PMTiles tile pyramid; the parks file is just a few KB. Buildings start appearing at zoom 9; toggle filters to colour by function. Click any park to fly to it. Toggle "All Netherlands" to compare in-park building patterns to the surroundings.

Function Show Fly to
↑ Zoom into a park to see individual buildings (z9+)
● Buildings rendered from bag-light.pmtiles · ▢ Parks from nationale_parken.pmtiles Showing all functions Basemap: CARTO Positron
§ 05

The full ranking

All 21 parks · click row to fly
#ParkHectaresBuildingsPer ha