OpenStreetMap
Calvin Menttor
- Mapper since:
- October 19, 2019
- Last map edit:
- May 05, 2026
- YouthMappers Volunteer Regional Ambassador, 2025 and 2026
- First cohort of the Global Open Mapping Guru Network, 2026
- UN Mappers Validator, 2026 to present
- Member of the HOT Trainee Validator team, 2024–Present
- University for Development Studies, YouthMappers Public Relations Officer, 2021/2023
- HOT Mapper since 2019 (https://tasks.hotosm.org/contributions)
- My OpenStreetMap Contributions (https://hdyc.neis-one.org/?Calvin%20Menttor)
- My Heat Map (https://www.yosmhm.neis-one.org/?Calvin%20Menttor)
Projects Worked On
- 2026, AfricaMap Cup organized by TomTom
- 2025, 30 Days All African Mapathon with TomTom and OpenStreetMap Ghana
- Mapping Fire Hydrants in Ho Central in collaboration with Ghana National Fire Service
- Eco Smart City Ghana - Koforidua (https://tasks.hotosm.org/projects/17381)
Latest Diaries
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...
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 ...
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...
Diary Entry The Impact of YouthMappers in Our Communities - Mapping for Speed Limit in Accra
Come closer and let’s have a quick, impactful conversation… Hear me out. As a student, there are countless opportunities you can tap into, especia...