If you are at the trail and this trail needs the latitude and longitude please click the link below and add it to the Add/Edit Trail Form to give us the information.
The Halley Grade is a trail located in California.
- Trail Measurement:
- Compass Latitude: 401206N
- Compass Longitude: 1224210W
- Numeric Latitude: 40.201541
- Numeric Longitude: -122.7027888
- Elevation in Meters: 406
- Elevation in Feet: 1332
If you have information about this trail please fill out the Add/Edit Trail form.
References and More Info