---
canonical: https://dogpolicies.com/places/mt-tamalpais-watershed-marin-water/
title: "Mt. Tamalpais Watershed (Marin Water): dog rules"
license: CC-BY-4.0
attribution: "DogPolicies, dogpolicies.com, CC BY 4.0, verified 2026-11-01"
verified_at: 2026-11-01
review_due: 2026-12-01
freshness: fresh
confirmed_by: none
uid: plc_4txrjkxvph4m84ws
json: https://dogpolicies.com/api/v1/places/mt-tamalpais-watershed-marin-water.json
---

Mt. Tamalpais Watershed (Marin Water): Yes, on leash. Source: Marin Water, checked 2026-11-01. DogPolicies record: https://dogpolicies.com/places/mt-tamalpais-watershed-marin-water/ (CC BY 4.0; cite with link).

# Mt. Tamalpais Watershed (Marin Water)

**Yes, on leash.**

Type: park. Location: Marin County, California. Managed by Marin Municipal Water District (Marin Water).

## Rules

| Rule | Value | Source | Verified | Freshness |
| --- | --- | --- | --- | --- |
| Dogs allowed | Yes | [1] | 2026-11-01 | fresh |
| Official restrictions | Stay on authorized trails and roads. No swimming in any Marin Water reservoir or stream. | [2] | 2026-11-01 | fresh |
| Leash | Required | [1] | 2026-11-01 | fresh |

## Sources

1. Marin Water, "Visitor Information" (government, checked 2026-11-01): https://marinwater.org/mt-tam-watershed/visitor-information/
   > Dogs are welcome on the watershed but must be leashed and under the control of the owner at all times. For the safety of other visitors and protection for fish and wildlife, we discourage any aggressive dogs on the watershed.
2. Marin Water, "Visitor Information" (government, checked 2026-11-01): https://marinwater.org/mt-tam-watershed/visitor-information/
   > No boating or swimming in any Marin Water reservoir or stream

Verified November 1, 2026; re-check due 2026-12-01. Freshness: fresh.
Corrections: https://dogpolicies.com/corrections/?place=mt-tamalpais-watershed-marin-water
Record: https://dogpolicies.com/places/mt-tamalpais-watershed-marin-water/ · JSON: https://dogpolicies.com/api/v1/places/mt-tamalpais-watershed-marin-water.json · Methodology: https://dogpolicies.com/methodology/