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Calvin Menttor

Mapper since:
October 19, 2019
Last map edit:
July 04, 2026
  1. YouthMappers Volunteer Regional Ambassador, 2025 and 2026
  2. First cohort of the OSMHOT Global Open Mapping Guru Network, 2026
  3. UN Mappers Validator, 2026 to present
  4. Member of the HOT Trainee Validator team, 2024–Present
  5. University for Development Studies, YouthMappers Public Relations Officer, 2021/2023
  6. HOT Mapper since 2019 (https://tasks.hotosm.org/contributions)
  7. My OpenStreetMap Contributions (https://hdyc.neis-one.org/?Calvin%20Menttor)
  8. My Heat Map (https://www.yosmhm.neis-one.org/?Calvin%20Menttor)

Projects Worked On

  1. 2026, AfricaMap Cup organized by TomTom
  2. 2025, 30 Days All African Mapathon with TomTom and OpenStreetMap Ghana
  3. Mapping Fire Hydrants in Ho Central in collaboration with Ghana National Fire Service
  4. Eco Smart City Ghana - Koforidua (https://tasks.hotosm.org/projects/17381)
  5. FREETOWN TREE and Solar Panel MAPPING

Latest Diaries

Diary Entry The Genesis of Being a HOT Voting Member

My engagement with OpenStreetMap began through my involvement as a YouthMappers volunteer, where I developed a strong interest in the power of open...

0 comments May 30, 2026

Diary Entry Time With Ho Technical University YouthMappers

On the 22nd and 23rd of November 2024, I visited the Ho Technical University (HTU) YouthMappers chapter for an exciting two-day program sponsored...

2 comments January 03, 2025

Diary Entry Mapping the Future: Highlights from the State of the Map Nigeria 2024

…and suddenly, I woke up early in the morning just to realize that I was in Lagos on 8th October. Ask yourself what brought me here? Hehehehe… Of ...

4 comments October 31, 2024

Diary Entry Eco Smart City Ghana - Koforidua

Volunteerism, commitment, and dedication are our hallmarks as YouthMappers! Now, repeat after me: YouthMappers Ghana… Right! We volunteered to con...

1 comment October 21, 2024