The phrase "at culmination" is correct and usable in written English.
It can be used to refer to the peak or highest point of a process, event, or development.
Example: "The project reached its success at culmination, showcasing the hard work of the entire team."
Alternatives: "at the peak" or "at the climax".
Having gained experience and, perhaps, harbouring grudges from the riots of 1981, the mounted police took no nonsense from the pickets at Orgreave at the culmination of the miners' strike of 1984.
You can imagine sitting at an Everest base camp at the culmination of a Himalayan trek, looking at your phone and seeing a jovial message informing you of some really great takeaways in your area.
The NYPD estimated tonight's crowd at 32,500 people, at the culmination of the day of action.
Unlike criticism, managers should bestow their employees with praise generously, publicly, and at every opportunity — especially at the culmination of projects.
Two sculptures from the artwork – Wave and Weeping Window – will go on display at the Imperial War Museums in London and Manchester at the culmination of a four-year tour during which they have been displayed at locations across Britain.
In August 2012, she was part of the judging panel at the Festival of Code, held at the culmination of Young Rewired State 2012.
Pope Benedict XVI might offer a mea culpa about the sexual abuse of minors by priests at the culmination of a yearlong celebration of priests at the Vatican in mid-June, a high-ranking Vatican official has said.
In fact, she has rolled Cobain's dust into a spliff and promises to smoke it at the culmination of her exhibition Set Me Free at the Gallerie Wagner + Partner in Berlin.
At the culmination of the War of the Spanish Succession, at the Treaties of Utrecht and Rattstatt, Cosimo did not vie for international assurances for the Electress's succession.
Each one of us was responsible for a step," explained Harrison V. "This was our first project connected to the real world". At the culmination of the project, reusable canteens were distributed at a special ceremony.
