---
canonical: https://dogpolicies.com/places/acalanes-ridge-open-space/
title: "Acalanes Ridge Open Space: dog rules"
license: CC-BY-4.0
attribution: "DogPolicies, dogpolicies.com, CC BY 4.0, verified 2026-10-31"
verified_at: 2026-10-31
review_due: 2026-11-30
freshness: fresh
confirmed_by: none
uid: plc_wnfsj50h6m5yen8s
json: https://dogpolicies.com/api/v1/places/acalanes-ridge-open-space.json
---

Acalanes Ridge Open Space (Walnut Creek, CA): Yes. Dogs may be off leash under voice control. Source: City of Walnut Creek, checked 2026-10-31. DogPolicies record: https://dogpolicies.com/places/acalanes-ridge-open-space/ (CC BY 4.0; cite with link).

# Acalanes Ridge Open Space

**Yes. Dogs may be off leash under voice control.**

Type: park. Location: Walnut Creek, Contra Costa County, California. Managed by City of Walnut Creek Open Space Division.

## Rules

| Rule | Value | Source | Verified | Freshness |
| --- | --- | --- | --- | --- |
| Dogs allowed | Yes (Rangers recommend keeping dogs leashed at all times.) | [1] | 2026-10-31 | fresh |
| Leash | Off leash allowed under voice control | [1] | 2026-10-31 | fresh |
| Amenities | 202 acres, 4 miles of trails, Limited parking, No developed facilities | [1] | 2026-10-31 | fresh |

## Rules to know

- Open from half an hour before sunrise to half an hour after sunset. [3]
- Off leash only on trails, and only under voice and sight command: keep your dog in sight and make sure it comes back the moment you call. [3]
- Leash your dog in developed picnic areas, at historic sites, in parking lots and along street parking. [3]
- No dogs in central Lime Ridge south of Ygnacio Valley Road, a protected wildlife habitat area. [3]
- Carry a leash, and pick up your dog's waste and take it out of the open space. [3]
- Don't let your dog chase, harass or harm wildlife or plants. [3]

## Sources

1. City of Walnut Creek, "Acalanes Ridge" (government, checked 2026-10-31): https://www.walnutcreekca.gov/Home/Components/FacilityDirectory/FacilityDirectory/8/664
   > Acalanes Ridge Address: Sousa Drive Walnut Creek, CA 94597 Amenities: 202 Acres 4 Miles of trails Limited parking No developed facilities ... Dogs? Rangers recommend dogs remain leashed at all times. If they are off leash, dogs must be under positive sight and voice command.
2. City of Walnut Creek, "Location: the Sousa trailhead in the city's Open Space facilities GIS layer" (government, checked 2026-10-31): https://services2.arcgis.com/AhHMUmDoudKVXiUl/arcgis/rest/services/OpenSpace_Facilities/FeatureServer/0
3. City of Walnut Creek, "Open Space: Rules and Regulations" (government, checked 2026-10-31): https://www.walnutcreekca.gov/government/departments/open-space/rules-and-regulations
   > Dogs are required to be on leash in all in all developed picnic areas, historic sites and in parking lots and along street parking. Dogs are allowed off leash and under positive voice and sight command in the trail areas of Shell Ridge, Acalanes, Sugarloaf, and Lime Ridge north of Ygnacio Valley Road. ... Dogs are not allowed in central Lime Ridge south of Ygnacio Valley Road.

Verified October 31, 2026; re-check due 2026-11-30. Freshness: fresh.
Corrections: https://dogpolicies.com/corrections/?place=acalanes-ridge-open-space
Record: https://dogpolicies.com/places/acalanes-ridge-open-space/ · JSON: https://dogpolicies.com/api/v1/places/acalanes-ridge-open-space.json · Methodology: https://dogpolicies.com/methodology/