Sugarloaf Ridge State Park

Napa · Sonoma · California Department of Parks and Recreation

PLAN YOUR VISIT

The practical details.

Managing agency: California Department of Parks and Recreation
Telephone: (707) 833-6084
Hours: Open for Day Use and Camping Day Use Hours: 6 a.m. to 10 p.m. Park HQ: 9 a.m. to 5 p.m.

We have not yet verified entry fees, accessibility details. Confirm these with the managing agency before traveling.

Check notice timestamps and official updates. Conditions can change between source checks.

About Sugarloaf Ridge State Park

Sugarloaf Ridge State Park is listed in official public-land records for Napa · Sonoma, California and is managed by California Department of Parks and Recreation. Our research into visitor facilities is ongoing. Check the managing agency’s information for public entrances, permitted activities, and current access.

Activities & facilities

Recorded from park sources. Availability and restrictions may vary by season or visitor area.

Mapped hiking trails.

OpenStreetMap routes that intersect recorded park boundaries. Distances cover each route’s mapped California portion, which may extend beyond this park. Check official maps and current access rules.

Planet Walk ↗0.7 mapped mi

All mapped hiking routes ↗

Trail data © OpenStreetMap contributors · ODbL

Find your way.

Loading map…

Map points represent park land, not verified visitor entrances. Follow the managing agency’s entrance directions. Tiles © OpenStreetMap contributors.

This point represents park land, and may not be a public entrance. Follow official entrance directions.

Official visitor information & directions ↗

Sources & verification

Park facts and notices are checked separately. Missing facility information does not mean a facility is absent. Official visitor page checked Oct 20, 2026.