A canal cruise built around the one thing standard sightseeing boats forbid — you bring your own cannabis and smoke it while the city slides past. Seating is lounge-style rather than rows of tourist benches, there’s music, and a small bar sells beer, wine and soft drinks, though you’re free to bring your own. Cruises run roughly 70 to 90 minutes through the central canal ring, boarding near Prins Hendrikkade by Centraal Station. It suits people who want the classic Amsterdam water view without stepping outside to smoke, and groups who’d rather sit together than file past a guide’s commentary. Sailing times shift week to week and there’s no fixed timetable, so message the operator before planning around it. Nothing is sold onboard except drinks — arrive with what you intend to smoke.

One of the oldest botanical gardens in the world, laid out in 1638 and still compact enough to cross in ten minutes if you rush, which would be the wrong way to use it. The draw is the glasshouses: a three-climate palm house where the air changes temperature as you walk, a butterfly greenhouse, and outdoor beds arranged by plant family with a café courtyard in the middle. It’s a quiet, slow, texture-heavy place a few minutes from ARTIS in the Plantage, and it rewards standing still. Go for the smells and the humidity rather than the labels. Be clear on the rules before you arrive: the garden and glasshouses are smoke-free, and the use, possession or trade of drugs is strictly forbidden inside.

Vondelpark is the city’s main decompression space: a long stretch of lawns, ponds, tree-lined paths and open-air benches running southwest from the Leidseplein end towards Amstelveenseweg. It’s big enough that you can walk for half an hour without repeating yourself, and busy enough that nobody looks twice at people sitting around doing nothing in particular. It works in a cannabis itinerary as the place you go after a coffeeshop rather than instead of one — somewhere to sit, slow down, and be outside without a schedule. The quieter western half is calmer than the crowded eastern entrances. Note that this is a public park with no cannabis policy of its own: the City prohibits smoking cannabis in public in the centre, and anything you do here is a matter of discretion, not permission.

Nxt Museum occupies a converted industrial hall in Amsterdam-Noord and shows large-scale new-media work: room-filling projections, responsive sound, light installations and pieces that react to where you stand. Exhibitions run for months at a time rather than rotating weekly, and each is built as a sequence of dark rooms you move through at your own speed. It’s the most overtly sensory choice in this list — scale, sound and darkness do most of the work, and there’s very little reading involved. Late Friday and Saturday closing makes it a genuine evening option, which few museums here are. It’s a short ferry ride from behind Centraal Station. No smoking policy is published, so treat it as somewhere to go afterwards rather than during.

ARTIS is an old city zoo that grew into a park — nineteenth-century animal houses, mature trees, an aquarium building, a butterfly pavilion and enough winding paths that most visits run three hours without trying. It sits in the Plantage, ten minutes east of Waterlooplein, and the pace is set by walking rather than queueing. It’s a strong thing to do after a session precisely because it asks nothing of you: no narrative to follow, no timed entry beyond the gate, just a lot to look at and plenty of grass to stop on. The aquarium’s dim tanks and the greenhouse humidity are the parts people remember. Smoke beforehand — not inside. The whole park and its museums are smoke-free, cannabis included.

Micropia is a small museum on the Artisplein devoted entirely to microbes — live cultures under working microscopes, a wall of glowing petri dishes, a body scanner that tells you which organisms live on you, and displays about the gut microbiome that are far more detailed than the building’s size suggests. It takes about an hour, two if you stop at everything. It suits people who like looking closely at things and don’t want a long walk. The rooms are dim, the exhibits are hands-on, and almost everything moves or reacts. It’s a museum about biology, not cannabis, and it shares ARTIS’s smoke-free rules — worth doing after a session, not during one.