Outdoor adventure
$30median per child
15 published prices · United States
Middle half: $15.85–$52.50 per child
0 local prices; at least 5 are needed. So this shows the nationwide range.
Outdoor adventure in Mill Valley
Mount Tamalpais State Park in Mill Valley, California, is an outdoor setting to consider when planning a birthday gathering. Start by discussing your proposed event with park staff through the official park contact. Explain how many people you expect and what you want to arrange before sending invitations. Ask which event rules apply to your plans so you can choose a suitable format for the celebration.
Outdoor adventure: price range from published packages.
Prices from venues in San Jose Sunnyvale Santa Clara CA.
This venue: Ask the venue for a price
No reliably comparable price per child. The bar shows the other venues only, not a price for this one.
$30median per child
15 published prices · United States
Middle half: $15.85–$52.50 per child
0 local prices; at least 5 are needed. So this shows the nationwide range.
Starting prices per child; party prices are only divided when the package states how many kids it includes. Minimum spends and unclear prices are left out. Prices in the directory are not live offers. The venue's current price applies.
For a child who enjoys outdoor outings, Mount Tamalpais State Park is worth considering for a birthday visit with friends. Parents can keep the plan focused on spending time together in a state park, choosing the day's scope to match the group. It suits a family comfortable organizing its own celebration.
Take care with event arrangements before sending invitations. The park's special-event uses include weddings and athletic events, so those options should not be treated as permission for a children's party. Ask which rules apply to your gathering and whether your intended activities need advance approval.
These eight points decide whether a party works out and what it really costs. It is easiest to go through them in one phone call.
The park's special event information includes weddings and athletic events.
Yes. Use the park's phone contact to ask how its special event arrangements apply to your gathering.
Prices, hours and packages last checked on Oct 21, 2026. Information is provided without guarantee. Please confirm details with the venue before booking.
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