By GPS

• If you are using a GPS, we advice you to use the following address:

Street: Katwoudestraat
City: Purmerend

• If you drive all the way to the end of the Katwoudestraat you should encounter a black gate (with a sign ISW), you should ring the bell here and the gate will open automatically. You can park at the upper deck. After parking your car you should walk towards the back of the building and notify at the reception that you have arrived.

Coming from Amsterdam

• At the A10 you should follow the direction Zaanstad, A8. You will see signs directing you to Zaandam/Leeuwarden.
• At the junction ‘Zaandam’ on the A8 keep to the right and change to highway A7 in the direction of Zaandam/Leeuwarden.
• After 10 km you should take exit 5 in the direction of Purmerend Zuid/ Zuidoost Beemster.
• After 450 m make a turn left and drive straight away at the Zuiddijk in the direction of Purmerend.
• The ‘Zuiddijk’ will change into the ‘Gedempte Where’, the ‘Purmersteenweg’ and after those into the ‘Waterlandlaan’.
• After driving through a railroad viaduct you should take the second street to the left, which should be the ‘Waterlandplein’.
• After 70 m make a turn to the right into the ‘Rijperhof/Ilpendamstraat’.
• After another 100 m make a right again into the ‘Katwoudestraat’.
• If you drive all the way to the end of the Katwoudestraat you should encounter a black gate (with a sign ISW), you should ring the bell here and the gate will open automatically. You can park at the upper deck. After parking your car you should walk towards the back of the building and notify at the reception that you have arrived.

Coming from Leeuwarden

• From Leeuwarden you should follow the A31 in the direction of Harlingen.
• After 29 km on the junction ‘Zurich’ you should follow the A7/E22 in the direction of the ‘Afsluitdijk’.
• After passing the ‘Afsluitdijk’ you should follow the A7 for 80 km in the direction of Purmerend and take exit 5 towards Purmerend Zuid/ Zuidoost Beemster.
• After 600 m you make a turn to the left and drive on the ‘Zuiddijk’.
• The ‘Zuiddijk’ will change into the ‘Gedempte Where’, the ‘Purmersteenweg’ and after those into the ‘Waterlandlaan’.
• After driving through a railroad viaduct you should take the second street to the left, which should be the ‘Waterlandplein’.
• After 70 m make a turn to the right into the ‘Rijperhof/Ilpendamstraat’.
• After another 100 m make a right again into the ‘Katwoudestraat’.
• If you drive all the way to the end of the Katwoudestraat you should encounter a black gate (with a sign ISW), you should ring the bell here and the gate will open automatically. You can park at the upper deck. After parking your car you should walk towards the back of the building and notify at the reception that you have arrived.

Coming from Alkmaar

• From Alkmaar you should take the A9 in the direction of Uitgeest/beverwijk/Amsterdam and leave the A9 at exit 10.
• After 500 m you should make a turn to the left enter the ‘Provinciale weg’ (N203 / N8) in the direction of Krommenie.
• After 5 km you should take the ramp of the N246 in the direction of Zaandam / Westzaan.
• After 2.7 km you should take the ramp of the A8 leading you towards Zaandam.
• After 5 km you should follow the A7 in the direction of Hoorn/Leeuwarden.
• After 10 km you should take exit 5 in the direction of Purmerend Zuid/ Zuidoost Beemster.
• After 450 m make a turn left and drive straight away at the Zuiddijk in the direction of Purmerend.
• The ‘Zuiddijk’ will change into the ‘Gedempte Where’, the ‘Purmersteenweg’ and after those into the ‘Waterlandlaan’.
• After driving through a railroad viaduct you should take the second street to the left, which should be the ‘Waterlandplein’.
• After 70 m make a turn to the right into the ‘Rijperhof/Ilpendamstraat’.
• After another 100 m make a right again into the ‘Katwoudestraat’.
• If you drive all the way to the end of the Katwoudestraat you should encounter a black gate (with a sign ISW), you should ring the bell here and the gate will open automatically. You can park at the upper deck. After parking your car you should walk towards the back of the building and notify at the reception that you have arrived.