Travel Arrangement From Amsterdam

Missing Link (Amsterdam H3) is planning to arrange for buses to leave from Amsterdam to the Castle (Thursday early afternoon) and back ta Amsterdam an the Sunday afternoon. It will probably cost you 15 European Bucks (single trip). This is cheaper and faster than public transport. There will be a form to fill out to book seats at some point and you probably have to pay in advance.

This is the best option if you are staying in Amsterdam and/or arrive at Schiphol Amsterdam Airport and/or do the traditional Amsterdam Canal Hash on the Wednesday afternoon. 

When you stay in any of the other main cities it is best to plan your trip with www.9292.nl. From The Hague, Rotterdam and Utrecht are intercity trains to Eindhoven. There you change trains to Venlo. The last bit by bus to the castle. Or take a taxi for this last bit of your trip

Public transport is pretty good in the Netherlands. Website 9292.nl can help you plan your trip. Basically, you need to find the train to Venlo. Then catch Bus 377 to Castle de Berckt in Baarlo. The bus platform at the train station is where your weekend starts as it is unlikely that you are the only one trying to get to the Castle. We can already sing baldy hash songs on the bus if the driver is in a good mood. From the De Berckt bus stop it is a short walk to the Castle. The bus ride takes just 17 minutes, but the frequency is probably only once an hour in August. Ask the bus driver to tell you where to get out. Or take a taxi for this last bit of your trip

Train rides are a pleasure in itself. Bring your own picnic with beer or wine and enjoy the trip. Bringing booze could come in especially handy if you arrive at the Castle before 16.00. Bars will only open at 1600.

No Tickets needed for Dutch public transport, use your credit card or a Maestro debit card.

train and metro - There are entry gates at stations and you check-in with your bank card. You check-out when you leave the station at arrival. (No need to check-out and -in again when you change trains. You do need to check-out and -in when you change transport mode or -train company-.).

Buses and trams have a check-in when you enter the bus or tram. Check out when you exit, also when you change trams and buses. 

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In case you forget to check-in, it is considered fare-dodging. There is a fine for that. The train conductor or other officials can ask for your bank-card, it is your ticket.  When you forget to check-out, a set maximum will be charged to your account and you have to make phone-calls to correct the bill. It is therefore easier and cheaper not to forget.

This is how the check-in and -out looks like. Hold your card in front of the machine for a second till you hear a beep. When you check-out you hear two beeps.

Be smart and take into account the time you need to get to the venue from these airports on Thursday as well as the time needed to get back to the airport on Sunday. Arriving late on the Thursday evening and leaving before breakfast on Sunday is not smart hashing at all. Consider booking extra nights before and/or after the event. RyanAir is cheap, but connections suck most of the time.

Schiphol Airport Amsterdam
Schiphol is fully integrated with a main train station. Trains to Venlo depart every 30 minutes, you may need to change trains, 9292.nl will tell you where and when - It is 2 hours + 10 minutes to Venlo. In Venlo, you take the bus to the Castle. Or take a taxi for this last bit of your trip

Eindhoven Airport
It is well connected to Venlo. Buses depart every 30 minutes for a 20-minute ride to Eindhoven Central Train Station. From there, direct trains to Venlo depart every 30 minutes - It is a 40 minute train ride to Venlo.  In Venlo, you take the bus to the Castle. Or take a taxi for this last bit of your trip

Maastricht - Aachen Airport - It says Aachen but it is Maastricht in the Netherlands
Bus 30 departs every 30 minutes to bring you from the terminal to Maastricht Train Station. From there you take trains for 1 hour to Venlo. In Venlo, you take the bus to the Castle.

Ryanair - Dusseldorf - Brings you to Weeze Airport, which is not Dusseldorf at all. 
It is not far away, but public transport sucks. Book a taxi or shuttle from this airport. Try to arrange that they bring you to the venue instead of dropping you off at the Venlo Train Station (Venlo Train Station is the default destination for airport shuttles). 

Dusseldorf Airport - Fair warning, this is not the airport Ryanair uses. Ryanair uses Weeze Airport.
It is not far away, but public transport sucks. Perhaps best to book a taxi or airport shuttle. Try to arrange that they bring you to the venue instead of dropping you off at the Venlo Train Station (Venlo Train Station is the default destination for airport shuttles). Perhaps there is a train service from Dusseldorf to Venlo.