Source register

The sources behind our travel advice

Consult the official sources behind our advice. Each entry shows the place and period it covers, when we checked it and a link to the source. Confirm current travel details before your visit.

Verified 4 October 202665 sources

Amsterdam Dance Event 2026

Amsterdam Dance Event Foundation

Observed: 2026 edition, checked 4 October 2026
Scope: 21–25 October 2026; admission, pass capacity and age boundaries
Checked: 2026-10-04
Valid through: 2026-10-25

Open primary source

ADE Pro 2026 conference locations

Amsterdam Dance Event Foundation

Observed: 2026 edition, checked 2 October 2026
Scope: ADE Pro conference venue, hubs and opening days, 20–24 October 2026
Checked: 2026-10-02
Valid through: 2026-10-25

Open primary source

ADE 2026 travel information

Amsterdam Dance Event Foundation

Observed: 2026 edition, checked 2 October 2026
Scope: Public transport arrangements for ADE visitors, 21–25 October 2026
Checked: 2026-10-02
Valid through: 2026-10-25

Open primary source

Guests and overnight stays in hotels by region, 2025

Statistics Netherlands (CBS)

Observed: Calendar year 2025, final figures
Scope: Hotels, motels, pensions, hotel-service apartments, youth accommodation and B&Bs with at least five beds; Netherlands, tourist regions, provinces and selected municipalities
Checked: 2026-09-10

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2026 Dutch rail network map

Nederlandse Spoorwegen (NS)

Observed: 2026 timetable year
Scope: National rail network including named international corridors
Checked: 2026-09-10

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Accessibility of Strijp-S

Strijp-S (area website)

Observed: Live page checked 2026-10-02
Scope: Rail and bus access to the Strijp-S district
Checked: 2026-10-02

Open primary source

Public transport and parking in Leeuwarden

Visit Leeuwarden

Observed: Live page checked 2026-10-02
Scope: Rail and bus access to and around Leeuwarden
Checked: 2026-10-02

Open primary source

Zwolle by public transport

VisitZwolle

Observed: Live page checked 2026-10-02
Scope: Rail and bus connections from Zwolle station
Checked: 2026-10-02

Open primary source

Accessibility and parking in Alkmaar

InAlkmaar

Observed: Live page checked 2026-10-02
Scope: Rail and bus access to Alkmaar
Checked: 2026-10-02

Open primary source

Getting to Bergen

Bezoek Bergen (VVV Bergen)

Observed: Live page checked 2026-10-02
Scope: Bus access from Alkmaar to Bergen and Bergen aan Zee
Checked: 2026-10-02

Open primary source

Route and address

Het Nationale Park De Hoge Veluwe

Observed: Live page checked 2026-10-02
Scope: Public-transport access to the park centre
Checked: 2026-10-02

Open primary source

Amsterdam by ferry

Amsterdam & Partners (I amsterdam)

Observed: Live page checked 2026-10-02
Scope: GVB ferries across the IJ from behind Amsterdam Centraal
Checked: 2026-10-02

Open primary source

Metro E timetable

RET

Observed: Live page checked 2026-10-02
Scope: Stop sequence of RET metro line E
Checked: 2026-10-02

Open primary source

Metro A timetable

RET

Observed: Live page checked 2026-10-02
Scope: Stop sequence of RET metro line A
Checked: 2026-10-02

Open primary source

Tram 11 timetable

HTM

Observed: Live page checked 2026-10-02
Scope: HTM tram line 11 termini
Checked: 2026-10-02

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Tram 1 timetable

HTM

Observed: Live page checked 2026-10-02
Scope: HTM tram line 1 termini
Checked: 2026-10-02

Open primary source

Wyck district

Maastricht Marketing

Observed: Live page checked 2026-10-02
Scope: Position of Wyck between the station and the Maas bridge
Checked: 2026-10-02

Open primary source

Night trains in the Netherlands

Nederlandse Spoorwegen (NS)

Observed: Live page checked 2026-10-02
Scope: Every-night and weekend late-train routes
Checked: 2026-10-02

Open primary source

Intercity direct

Nederlandse Spoorwegen (NS)

Observed: Live page checked 2026-10-02
Scope: High-speed service between Amsterdam Zuid, Schiphol, Rotterdam and Breda
Checked: 2026-10-02

Open primary source

Travelling to Rotterdam

Rotterdam Partners / Rotterdam Tourist Information

Observed: Live page checked 2026-10-02
Scope: Train links from Rotterdam to other Dutch cities
Checked: 2026-10-02

Open primary source

Getting to Haarlem

Visit Haarlem

Observed: Live page checked 2026-10-02
Scope: Rail access between Haarlem and Amsterdam
Checked: 2026-10-02

Open primary source

Niteliner night buses Haarlem–IJmond

Connexxion

Observed: Live page checked 2026-10-02
Scope: Night bus routes via Haarlem
Checked: 2026-10-02

Open primary source

Transport to and in Delft

In Delft

Observed: Live page checked 2026-10-02
Scope: Rail access from Rotterdam and The Hague and the station-to-centre walk
Checked: 2026-10-02

Open primary source

Public transport to Leiden

Visit Leiden

Observed: Live page checked 2026-10-02
Scope: Rail access from The Hague and Amsterdam and the station-to-centre walk
Checked: 2026-10-02

Open primary source

Transportation in Nijmegen

Visit Nijmegen (Rijk van Nijmegen)

Observed: Live page checked 2026-10-02
Scope: Station position and intercity links
Checked: 2026-10-02

Open primary source

Transportation in Arnhem

Visit Arnhem (Regio Arnhem)

Observed: Live page checked 2026-10-02
Scope: Station position
Checked: 2026-10-02

Open primary source

Frequently asked questions: reaching the park

Het Nationale Park De Hoge Veluwe

Observed: Live page checked 2026-10-02
Scope: Public-transport stops for the park entrances
Checked: 2026-10-02

Open primary source

Night bus 806 Arnhem–Nijmegen

RRReis (formerly Breng)

Observed: Live page checked 2026-10-02
Scope: Weekend night bus between Arnhem and Nijmegen
Checked: 2026-10-02

Open primary source

Where to stay and Amsterdam neighbourhoods

amsterdam&partners / I amsterdam

Observed: Current destination structure checked 2026-09-10
Scope: Amsterdam city accommodation areas and neighbourhood planning
Checked: 2026-09-10

Open primary source

Amsterdam neighbourhoods

amsterdam&partners / I amsterdam

Observed: Current primary page checked 10 September 2026
Scope: Amsterdam districts and named neighbourhoods
Checked: 2026-09-10

Open primary source

Rotterdam neighbourhoods and local transport

Rotterdam Partners / Rotterdam Tourist Information

Observed: Current destination structure checked 2026-09-10
Scope: Rotterdam districts and city transport modes
Checked: 2026-09-10

Open primary source

Travelling in Rotterdam

Rotterdam Partners / Rotterdam Tourist Information

Observed: Current primary page checked 2 October 2026
Scope: Rotterdam public transport and water connections
Checked: 2026-10-02

Open primary source

The Hague districts and city-or-coast stays

The Hague & Partners

Observed: Current destination structure checked 2026-09-10
Scope: The Hague city districts including Scheveningen and Kijkduin
Checked: 2026-09-10

Open primary source

Utrecht districts

Utrecht Marketing / Discover Utrecht

Observed: Current destination structure checked 2026-09-10
Scope: Utrecht city districts outside and around the historic centre
Checked: 2026-09-10

Open primary source

Maastricht city districts and overnight planning

Maastricht Marketing

Observed: Current destination structure checked 2026-09-10
Scope: Eight visitor districts used by Maastricht Marketing, including Wyck, Céramique, Jekerkwartier and Sint Pieter; not Maastricht's administrative borough structure
Checked: 2026-09-10

Open primary source

Staying in Maastricht

Maastricht Marketing

Observed: Current multi-day stay structure checked 2026-09-10
Scope: Maastricht visitor stay planning across districts, daytime culture and evening use; not measured stay length or accommodation availability
Checked: 2026-09-10

Open primary source

Haarlem and the Amsterdam region

amsterdam&partners / I amsterdam

Observed: Current regional destination structure checked 2026-09-10
Scope: Haarlem city in relation to Amsterdam, coast and surrounding North Holland region
Checked: 2026-09-10

Open primary source

Plan your visit to Leiden

Leiden Marketing / Visit Leiden

Observed: Current planning page checked 2026-09-10
Scope: Leiden city and linked surroundings
Checked: 2026-09-10

Open primary source

Plan your visit and stay in Delft

Delft Marketing / In Delft

Observed: Current planning structure checked 2026-09-10
Scope: Delft city visitor planning and overnight locations
Checked: 2026-09-10

Open primary source

Transport and accommodation in Groningen

Marketing Groningen / Visit Groningen

Observed: Current planning structure checked 2026-10-02
Scope: Groningen city and province visitor transport and accommodation context
Checked: 2026-10-02

Open primary source

48 hours and dynamic districts in Eindhoven

Eindhoven365 / This is Eindhoven

Observed: Current destination structure checked 2026-09-10
Scope: Eindhoven city including centre, Strijp-S and dynamic districts
Checked: 2026-09-10

Open primary source

Dutch Design Week 2026

Dutch Design Foundation

Observed: 2026 edition, checked 2 October 2026
Scope: Festival dates in Eindhoven, 17–25 October 2026
Checked: 2026-10-04
Valid through: 2026-10-25

Open primary source

A weekend in 's-Hertogenbosch

VisitBrabant

Observed: Current destination itinerary checked 2026-09-10
Scope: 's-Hertogenbosch city weekend structure
Checked: 2026-09-10

Open primary source

Plan and explore Leeuwarden and Friesland

Visit Leeuwarden

Observed: Current planning structure checked 2026-09-10
Scope: Leeuwarden city with routes into Friesland
Checked: 2026-09-10

Open primary source

Public transport to the Lauwersoog ferry for Schiermonnikoog

Wagenborg Passagiersdiensten

Observed: Live operator page checked 2 October 2026
Scope: Bus access to the Lauwersoog–Schiermonnikoog ferry
Checked: 2026-10-02

Open primary source

Public transport to the Holwert ferry for Ameland

Wagenborg Passagiersdiensten

Observed: Live operator page checked 2 October 2026
Scope: Bus access to the Holwert–Ameland ferry
Checked: 2026-10-02

Open primary source

Ferries from Harlingen to Terschelling and Vlieland

Rederij Doeksen

Observed: Live operator page checked 2 October 2026
Scope: Ferry and fast-ferry routes from Harlingen
Checked: 2026-10-02

Open primary source

Experience a city trip in Zwolle

Visit Zwolle

Observed: Current city-trip structure checked 2026-09-10
Scope: Zwolle city and overnight planning
Checked: 2026-09-10

Open primary source

Plan your visit to Nijmegen

Visit Nijmegen

Observed: Current planning structure checked 2026-09-10
Scope: Nijmegen city, accommodation and surrounding landscape
Checked: 2026-09-10

Open primary source

Travel to and stay on Texel

VVV Texel

Observed: Current planning structure checked 2026-10-02
Scope: Texel ferry arrival, island transport, villages and stay planning
Checked: 2026-10-02

Open primary source

The seven villages of Texel

VVV Texel

Observed: Current primary page checked 10 September 2026
Scope: Texel villages, distinct from ferry arrival
Checked: 2026-09-10

Open primary source

Planning the Den Helder–Texel ferry crossing

TESO

Observed: Current ferry-planning structure checked 2026-10-02
Scope: TESO ferry access between Den Helder and Texel; island buses, accommodation, prices and a chosen departure remain outside scope
Checked: 2026-10-02

Open primary source

Plan your trip to Zeeland

Zeeland Marketing / Zeeland.com

Observed: Current provincial planning structure checked 2026-09-10
Scope: Zeeland province, islands, peninsulas, towns and transport
Checked: 2026-09-10

Open primary source

Transport in Zeeland

Zeeland Marketing / Zeeland.com

Observed: Current transport page checked 2026-10-02
Scope: Zeeland cycling, public transport and seasonal crossings
Checked: 2026-10-02

Open primary source

Rail geography in the province of Zeeland

Observed: Current Zeeland rail structure checked 2026-10-02
Scope: NS rail corridor and station context for Middelburg, Vlissingen and Goes; no claim about island, ferry, bus or coastal last-mile access
Checked: 2026-10-02

Open primary source

Plan your trip to De Hoge Veluwe

Het Nationale Park De Hoge Veluwe

Observed: Current park-planning structure checked 2026-09-10
Scope: De Hoge Veluwe entrances at Otterlo, Hoenderloo and Schaarsbergen plus park mobility
Checked: 2026-09-10

Open primary source

Access to De Hoge Veluwe

Het Nationale Park De Hoge Veluwe

Observed: Current primary page checked 10 September 2026
Scope: Park entrances at Hoenderloo, Otterlo and Schaarsbergen
Checked: 2026-09-10

Open primary source

Plan your visit to Zaanse Schans

Stichting de Zaanse Schans

Observed: Current visit structure checked 2026-09-10
Scope: Zaanse Schans site composed of separately operated venues
Checked: 2026-09-10

Open primary source

Kinderdijk visit tickets and planning

Kinderdijk World Heritage Foundation

Observed: Visit information checked 2 October 2026
Scope: Kinderdijk landscape access and separately ticketed attractions
Checked: 2026-10-02

Open primary source

Keukenhof 2027 opening period

Keukenhof

Observed: 18 March 2027 through 9 May 2027
Scope: Keukenhof 2027 operating season; no claim about bloom, tickets, transport or hotel availability
Checked: 2026-10-04
Valid through: 2027-05-09

Open primary source

Travelling from Maastricht to Valkenburg aan de Geul

Maastricht Marketing

Observed: Live destination-planning page checked in 2026
Scope: Maastricht-to-Valkenburg visitor journey
Checked: 2026-09-10

Open primary source

Travel times from Maastricht to Valkenburg aan de Geul

Maastricht Marketing

Observed: Live destination-planning page checked 2 October 2026
Scope: Train, bus and cycling options between Maastricht and Valkenburg
Checked: 2026-10-02

Open primary source

Overnight accommodation policy, May 2025

Municipality of Valkenburg aan de Geul

Observed: 2022–2024
Scope: Municipality of Valkenburg aan de Geul with named subareas
Checked: 2026-09-10

Open primary source

Official Alkmaar accommodation and regional planning

InAlkmaar

Observed: Official accommodation and regional pages checked 2026-09-29
Scope: Alkmaar city hotel listings; Bergen and Bergen aan Zee treated as separate coastal places
Checked: 2026-09-29

Open primary source

Official Arnhem and region accommodation planning

Visit Arnhem

Observed: Official accommodation pages checked 2026-09-29
Scope: Arnhem city and wider region accommodation listings; city and Veluwe gateways remain distinct
Checked: 2026-09-29

Open primary source