The 2025 Bicycle Day program ran in Boryeong on May 3-4 and is a solid anchor for a national events/calendar layer on Cycling Korea

The national bicycle portal is the core source for official route pages, certification notices, route advisories, island-route references

The national bicycle portal is the core source for official route pages, certification notices, route advisories, island-route references, laws, and e-bike guidance

Nakdong River certification route page

Baseline for access, certification