Upper Newport Bay Nature Preserve

Newport Beach, Orange County, CA

DogsOn leash
Source
Size
132 acres Source
Managed by
OC Parks

About Upper Newport Bay Nature Preserve

Upper Newport Bay Nature Preserve and Ecological Reserve represent approximately 1,000 acres of open space. Upper Newport Bay Nature Preserve surrounds the Ecological Reserve. The park includes the Peter and Mary Muth Interpretive Center. Upper Newport Bay Nature Preserve totals approximately 135 acres. The Nature Preserve is made up of the bluffs surrounding the Bay.
From the official park page · checked Oct 16, 2026

Facilities

  • Drinking Water
  • Playground

Facility details: OpenStreetMap

Upper Newport Bay Nature Preserve at a glance

PW
  • PParking · 1
  • WDrinking water · 1
  • Named trails · 1

Outline: CPAD. Points and trail lines: OpenStreetMap contributors. Not for navigation.

Trails

TrailMapped lengthElevationSurface & uses
Back Bay Loop1.9 mi108 ft up & down30–77 ftPavedBikes

Trail names and mapped lengths come from OpenStreetMap; lengths count only the part inside the park boundary. Up-and-down totals (climbing plus descent, one way) and elevation ranges are estimates from USGS 3DEP elevation (about 15 m grid) sampled along the mapped line. Use the official guide map for the route and current closures.

Getting to Upper Newport Bay Nature Preserve by bus

Bus stops within about a quarter mile of Upper Newport Bay Nature Preserve, mapped in OpenStreetMap. Check the transit agency for schedules.

Rules & reservations

Official park page
  • Muth Interpretive Center

    Open Tuesday–Sunday 10 a.m. to 4 p.m.; closed Mondays and major holidays. Source

Map & directions

2301 University Drive, Newport Beach, CA

1Location overview · map data © OpenStreetMap

33.652366, -117.868787Get directions

Nearby parks

Straight-line distance
William R. Mason Regional ParkIrvine · 2.1 mi · BBQ Grills, Drinking WaterTalbert Regional ParkCosta Mesa · 4.6 mi · Drinking Water, Picnic AreaMile Square Regional ParkFountain Valley · 6.3 mi · BBQ Grills, Drinking WaterLaguna Coast Wilderness ParkLaguna Beach · 7.4 mi · Drinking Water, Picnic AreaHarriett M. Wieder Regional ParkHuntington Beach · 9.1 mi · Playground, Restrooms

Continue exploring

Orange County parks Playgrounds

Sources & verification

Last verified: Oct 16, 2026
  1. California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
  2. OC Parks park pageofficial_url, dogs, address
  3. OpenStreetMap facilities and trailsfacilities.drinking-water, facilities.playground, trails
  4. U.S. Census Bureau place boundariescity
  5. OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
  6. Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
  7. Official park page (introduction excerpt)intro
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