Don Castro Regional Recreation Area
101-acre park featuring a lagoon with swimming & fishing, plus wildlife & waterfront trails.
Don Castro Regional Recreation Area is rated 4.5 / 5 from 1,443 Google reviews and sits about 1.8 km (22 min walk) from Castro Valley station.
General overview
About Don Castro Regional Recreation Area
Don Castro Regional Recreation Area is an East Bay Regional Park District park in Hayward centered on a reservoir and seasonal swim lagoon. It offers swimming, fishing, picnicking, walking and hiking, with a dog park and nature-oriented recreation. Details below are based on general training knowledge and have not been live-verified.
- Seasonal swimming lagoon at Don Castro Reservoir
- Fishing opportunities in the reservoir, subject to California regulations
- Short walking and hiking routes around the reservoir and nearby hills
- Picnic areas and reservable group facilities
- Off-leash dog exercise area, subject to park rules
- Convenient East Bay location near Hayward and Castro Valley
Things to do here
Swimming lagoon
The park is known for its chlorinated, lifeguarded seasonal swim lagoon rather than swimming throughout the reservoir. The lagoon generally operates during the warmer months and may have separate admission charges.
Fishing
Fishing is generally permitted in designated areas of the reservoir. A California fishing license is required for eligible anglers, and state and park regulations apply.
Walking and hiking
Enjoy relatively easy walks around the reservoir and access to connecting East Bay Regional Park District trails. Some routes include hills, exposed sun and uneven surfaces.
Picnicking
Day-use picnic tables, lawns and shaded areas are available. Some larger picnic areas may be reservable for groups.
Dog exercise area
The park includes a designated off-leash dog area or dog-play facility. Dogs outside designated off-leash areas must be leashed and under control.
Bird and wildlife viewing
The reservoir, shoreline and surrounding open space provide opportunities to see common East Bay birds and other wildlife.
Use the official park directions for the entrance at 22400 Woodroe Avenue. Bring water, sun protection, towels and picnic supplies. Parking can fill during warm weekends; do not leave valuables in vehicles.
Routine park access generally does not require reservations. Reserve picnic or group facilities in advance if needed, and check whether swim-lagoon capacity controls or timed arrangements are in effect.
This overview is general knowledge, not confirmed against an official source — verify hours, prices and entry rules before you go.
Photo gallery
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Most asked
How to reach
Don Castro Regional Recreation Area is about 1.8 km (~22 min walk) from Castro Valley station on the BART (San Francisco Bay Area).
Before you go
Good to know
Verify tickets, seasonal hours, entry rules, and special events on the official website before visiting.
Pair it up
Also near this station
Denica's Real Food Kitchen
Restaurants · 12 min walk
★ 4.3
Comfort Inn Castro Valley
Hotels · 15 min walk
★ 4.2
Hayward Japanese Gardens
Places to visit · 16 min walk
★ 4.6
Holiday Inn Express Castro Valley, an IHG Hotel
Hotels · 17 min walk
★ 4.3
Aama's Kitchen
Restaurants · 23 min walk
★ 4.8
Cinemark Century at Hayward
Restaurants · 25 min walk
★ 4.3
Frequently asked questions
How do I get to Don Castro Regional Recreation Area from Castro Valley station?
Don Castro Regional Recreation Area is about 1775 m (roughly 22 min walk) from Castro Valley station on the BART (San Francisco Bay Area). Use the directions link on this page for turn-by-turn walking directions.
What is Don Castro Regional Recreation Area rated?
Don Castro Regional Recreation Area has a Google rating of 4.5 out of 5 from 1,443 reviews.
What's near Don Castro Regional Recreation Area?
Also within a short walk of the same station: Denica's Real Food Kitchen, Comfort Inn Castro Valley, Hayward Japanese Gardens.
Is Don Castro Regional Recreation Area wheelchair accessible?
Yes — Google lists the following accessibility features for Don Castro Regional Recreation Area: wheelchair-accessible entrance, wheelchair-accessible parking.
Is there parking near Don Castro Regional Recreation Area?
Google lists these parking options near Don Castro Regional Recreation Area: free parking lot, paid parking lot, free street parking, paid street parking.
Is Don Castro Regional Recreation Area good for children?
Yes — Google lists Don Castro Regional Recreation Area as good for children.
Are dogs allowed at Don Castro Regional Recreation Area?
Yes — Google lists Don Castro Regional Recreation Area as dog-friendly.
Can I swim in Don Castro Reservoir?
Swimming is generally offered in the designated seasonal swim lagoon, not as unrestricted swimming throughout the reservoir. Check current operating dates, admission, water conditions and lifeguard availability before going.
Do I need a reservation to visit?
Ordinary day visits generally do not require reservations. Group picnic areas and special facilities may require advance reservation.
Is parking free?
Parking commonly has an East Bay Regional Park District day-use fee, historically around $6 per vehicle. This is not live-verified.
Are dogs allowed?
Dogs are generally allowed in permitted areas, with leashes required except in designated off-leash facilities. Dogs are typically not allowed in the swim lagoon.
Can I fish there?
Fishing is generally available in the reservoir, subject to park rules, seasons, bag limits and California fishing-license requirements.
What should I bring?
Bring water, sun protection, comfortable walking shoes, towels and swimwear if the lagoon is open, plus food if you plan to picnic. Carry out supplies and secure valuables in your vehicle.
Is the park suitable for wheelchair users?
Some developed facilities may be accessible, but natural trails and shoreline routes can be uneven or hilly. Contact the park district for current information about the specific route or facility you plan to use.
Are there lifeguards?
The designated swim lagoon is generally operated as a lifeguarded seasonal facility, but staffing and opening dates can change. Do not swim outside designated areas.
Data and photos from Google Places, generated August 23, 2026. Ratings, hours and prices can change — confirm anything time-sensitive before you go.