Frank G. Bonelli Regional Park San Dimas, CA 91773
Photo Robotics · CC0

Frank G. Bonelli Regional Park

San Dimas, Los Angeles County, CA

Parking$15 per vehicle
Source
DogsOn leash (6 ft max)
Source
HoursWed–Sun, 6 a.m. to 8 p.m.
Source
Frank G. Bonelli Regional Park San Dimas, CA 91773
Photo Robotics · CC0
Size
1,821 acres Source
Managed by
Los Angeles County Parks and Recreation

About Frank G. Bonelli Regional Park

Frank G. Bonelli Regional Park is a beautiful 1,800 acre facility featuring a 250 acre lake with 14 miles of multi-use trails. Bonelli Park offers a wide variety of recreational activities, including boating, jet skiing, fishing, swimming, family and group picnicking, nature walks, hiking, jogging, and biking. There are also concessionaires offering RV Camping, Hot Tubs, Wedding Facilities, and Horse Back Riding.
From the official park page · checked Oct 16, 2026

Facilities

  • BBQ Grills
  • Boat Launch
  • Picnic Area
  • Playground
  • Restrooms
  • Fishing
  • Swimming

Facility details: official park information

Frank G. Bonelli Regional Park at a glance

PPPPPPPPPPPPPPPPPPPPPPPPPPPWCWCWCWCWCWCWCWC
  • PParking · 27
  • WCRestrooms · 8
  • Named trails · 9

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

Trails

TrailMapped lengthElevationSurface & uses
Bonelli Trail8.6 mi2,673 ft up & down789–1,212 ftBikesHorsesPaved
Park View Trail1.8 mi533 ft up & down998–1,219 ftBikesHorses
Lake View Trail1.4 mi437 ft up & down942–1,129 ft
Kikos Trail0.6 mi278 ft up & down957–1,238 ftBikesHorses
Lower Bee Hive Trail0.4 mi111 ft up & down1,009–1,087 ftBikesHorses
Tree Line Trail0.3 mi176 ft up & down949–1,105 ftBikesHorses
Vargus Trail0.3 mi169 ft up & down923–1,111 ftBikesHorses
Eucalyptus Park Road0.1 mi33 ft up & down949–996 ft
Marshall Canyon Trail0.1 mi9 ft up & down963–976 ftHorses

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.

Rules & reservations

Official park page
  • Dogs

    County code allows dogs in county parks on a leash no longer than 6 feet and under full control; dogs may be off leash only in designated off-leash areas. Posted park rules may add restrictions. Source

March 1 to October 31. November 1 to February 28: Wed–Sun, 6 a.m. to 7 p.m.

Map & directions

120 Via Verde Park Rd., San Dimas, CA 91773

1Location overview · map data © OpenStreetMap

34.082780, -117.799700Get directions

Nearby parks

Straight-line distance

Sources & verification

Last verified: Oct 15, 2026
  1. California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
  2. LA County Parks park page (hours and description re-read in a browser)hours, hours_note, description
  3. LA County Parks park page (read in a browser)official_url, address, facilities.bbq-grills, facilities.boat-launch, facilities.playground, facilities.fishing, facilities.picnic-area, facilities.restrooms, facilities.swimming
  4. LA County Parks fee schedule (vehicle entrance)fees
  5. Los Angeles County Code 17.04.410 (dogs in parks)dogs
  6. OpenStreetMap facilities and trailstrails
  7. U.S. Census Bureau place boundariescity
  8. OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
  9. Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
  10. Official park page (introduction excerpt)intro
Report an error
Frank G. Bonelli Regional Park · Photo Robotics · CC0