Eugene O'Neill National Historic Site
Designation: National Historic Site
Location: California
📘 Park Overview
America's only Nobel Prize-winning playwright, Eugene O'Neill, chose Northern California as his sanctuary at the pinnacle of his writing career. Secluded from the outside world within the serene walls of his Tao House, O'Neill crafted his final and most memorable masterpieces: The Iceman Cometh, Long Day's Journey Into Night, and A Moon for the Misbegotten.
🌤 Weather Information
The Mediterranean climate of Danville features hot, dry summers with lower temperatures near 60º F and upper temperatures near 100º F. The heat gives way to cool, rainy winters with lows near 45º F and highs near 75º F. Fall and spring can bring rain and temperatures from 55-80º F.
🚗 Directions
Reservations are required to visit the site. We offer a free shuttle that will pick up visitors in downtown Danville, CA. The shuttle meets at 205 Railroad Avenue outside the Museum of the San Ramon Valley. Parking is available next to the museum. Reservations can be made by calling (925) 228-8860 x6422 or send your reservation request by e-mail.
Images
Eugene O'Neill Home in Danville, California
Credit: NPS Photo/Luther Bailey
The "Old Barn", a part of the Eugene O'Neill National Historic Site
Credit: NPS/Luther Bailey
Mountain background as seen from the park.
Credit: NPS/Luther Bailey
The Eugene O'Neill NHS park sign.
Credit: NPS/Luther Bailey
Historic image of Eugene O'Neill at the Tao House property.
Credit: NPS Collection.
Activities
Topics
Operating Hours
Entrance Fees
No entrance fees listed.
Entrance Passes
No entrance passes listed.
3-Day Weather Forecast
Friday, Feb 20
Sunny
High: 55.9°F | Low: 36.5°F
Humidity: 72%
Wind: 4.3 mph
Rain Chance: 0%
UV Index: 0.6
Sunrise: 06:51 AM
Sunset: 05:53 PM
Moon: Waxing Crescent (7%)
Visibility: 6 mi
Dew Point: 38.8°F
Cloud Cover: 0%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Saturday, Feb 21
Partly Cloudy
High: 56.5°F | Low: 33.8°F
Humidity: 84%
Wind: 8.5 mph
Rain Chance: 0%
UV Index: 0.8
Sunrise: 06:50 AM
Sunset: 05:54 PM
Moon: Waxing Crescent (14%)
Visibility: 6 mi
Dew Point: 42°F
Cloud Cover: 0%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Sunday, Feb 22
Partly Cloudy
High: 64.2°F | Low: 42.6°F
Humidity: 80%
Wind: 7.6 mph
Rain Chance: 0%
UV Index: 0.8
Sunrise: 06:49 AM
Sunset: 05:55 PM
Moon: Waxing Crescent (23%)
Visibility: 6 mi
Dew Point: 48.1°F
Cloud Cover: 0%
Pressure: N/A mb
Air Quality (PM2.5): N/A
Ozone: N/A
EPA Index: N/A
Weather Alerts (5)
Cold Weather Advisory issued February 19 at 9:43PM PST until February 20 at 9:00AM PST by NWS San Francisco CA
Effective: Feb 20, 2026 12:43am
Expires: Feb 20, 2026 12:00pm
* WHAT...Cold conditions with temperatures in the low-to-mid 30s
expected.
* WHERE...The Marin Hills, Western Sonoma County Hills, Northern
Monterey Bay, The Santa Cruz Mountains, The Santa Clara Valley,
Coastal North Bay Including Point Reyes National Seashore, San
Francisco Bay Shoreline, and Northern Salinas Valley/Hollister
Valley and Carmel Valley.
* WHEN...From 1 AM to 9 AM PST Friday.
* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock. Cold conditions may damage or kill sensitive crops,
plants, and vegetation if appropriate precautions are not taken.
Extreme Cold Warning issued February 19 at 9:43PM PST until February 20 at 9:00AM PST by NWS San Francisco CA
Effective: Feb 20, 2026 12:43am
Expires: Feb 20, 2026 12:00pm
* WHAT...Very cold conditions with sub-freezing temperatures in the
mid-20s to low-30s expected.
* WHERE...The East Bay Hills and Valleys, Interior Monterey County
and the Santa Lucia Range, Most of San Benito County and the
Cholame Hills in Southeast Monterey County, North Bay Interior
Mountains, North Bay Interior Valleys, Eastern Santa Clara Hills,
and Southern Salinas Valley/Arroyo Seco and Lake San Antonio.
* WHEN...From 1 AM to 9 AM PST Friday.
* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold conditions may
damage or kill sensitive crops, plants, and vegetation if
appropriate precautions are not taken. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock.
Freeze Warning issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA
Effective: Feb 19, 2026 3:16pm
Expires: Feb 20, 2026 12:00pm
* WHAT...Sub-freezing temperatures of 28 to 32 degrees expected.
* WHERE...Carquinez Strait and Delta and Northern San Joaquin Valley.
* WHEN...From midnight tonight to 9 AM PST Friday.
* IMPACTS...Frost and freeze conditions could kill crops and other
sensitive vegetation.
Cold Weather Advisory issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA
Effective: Feb 19, 2026 3:16pm
Expires: Feb 20, 2026 12:00pm
* WHAT...Sub-freezing temperatures between 20 and 32 degrees,
coldest in the northern Sacramento Valley.
* WHERE...Sacramento Valley.
* WHEN...From midnight tonight to 9 AM PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Frost and freeze conditions
could kill crops and other sensitive vegetation.
Freeze Warning issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA
Effective: Feb 19, 2026 3:16pm
Expires: Feb 20, 2026 12:00pm
* WHAT...Sub-freezing temperatures between 20 and 32 degrees,
coldest in the northern Sacramento Valley.
* WHERE...Sacramento Valley.
* WHEN...From midnight tonight to 9 AM PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Frost and freeze conditions
could kill crops and other sensitive vegetation.
Park Alerts
Visitor Center & Contacts
📍 Physical Address:
205 Railroad Avenue
Danville, CA 94526
🏤 Mailing Address:
Eugene O'Neill NHS
P.O. Box 280
Danville, CA 94526
📞 Voice Phone: 925-228-8860
✉️ Email: euon_general_info@nps.gov