From Auburn, take Highway 49 south to the Confluence, keeping straight on Old Foresthill Road (don't turn right to cross the bridge).
Past the bridge, drive about a mile and a half to the Mammoth Bar OHV Area signed turn on the right. Drive downhill to one of the established dirt parking areas before reaching the entrance station at the bottom of the hill.
Here you can add a new climb to the Sendage database.
Please do your best to keep the Sendage database free of duplicates.
Only create a new entry if you can't find the climb in the search results.
If you don't agree with the grade, suggest a new one when you tick the climb off.
Don't intentionally misspell the climb to change the grade!