Parking spaces for visitors with reduced mobility are available directly adjacent to the castle. There is also a disabled parking space in the general car park.
Hallwyl Castle is located 200 metres from the "Seengen, Hallwyl Castle" bus stop and is accessible by wheelchair. The bus stop is served by bus 395 every hour from Lenzburg railway station. The direct journey takes about 30 minutes. Travel by public transport is also possible by bus via Boniswil station.
Due to the historical nature of the building, parts of the complex and larger exhibition areas can only be reached via steps.
The inner courtyard and bistro area are gravelled but accessible for wheelchair users.
A disabled WC is located in the castle bistro.