Texas A&M AgriLife Extension
Texas Parks & Wildlife
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North Texas Master Naturalist

Twelve Hills Nature Center

Features for the Naturalist

Wonderful getaway in heart of Oak Cliff. Gentle 5+ acres on former apartment site. Trails through woods and Blackland Prairie recreation. Pollinator garden. Outdoor classroom for elementary students.

Great for: The Naturalist-In-Training, The Botanist, and The Entomologist.

Park Information

Highlights

Retreat to this inspiring neighborhood park in Oak Cliff that is beloved by adults and children. Participate in guided educational bird and plant walks. Eco-education site for the community.

Amenities

  • Unpaved Hiking Trails
  • Dog Friendly (On Leash)
  • Family Friendly Features
  • Scheduled Activities
  • Picnic Tables

Contact

Address: 817 Mary Cliff Rd., Dallas, TX 75208

Phone: 469.249.2817

Website: Twelve Hills Nature Center

Want to be a Naturalist?

The Master Naturalist Program

How to Join and Class Schedule

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Monthly Board Meeting Via Zoom
March 30, 2026    
6:30 pm - 8:30 pm
Zoom Link
Board Meetings are open to all members and to the public.
More Info
TMN North Texas chapter meeting || How iNat and Citizen Science are Changing What we Know (AT)
April 1, 2026    
7:00 pm - 8:00 pm
Dallas College Brookhaven Campus
4/1/2026 7:00 PM Start Advance registration is required to join via zoom. Zoom Registration Link

More Info
Laura W Bush Native Texas Park || Guided Walk (AT)
April 4, 2026    
10:00 am - 11:00 am
Laura W Bush Native Texas Park
  Laura W Bush Native Texas Park || Guided Walk (AT) Saturday, April 04, 2026  ||  10:00am –11:00am  CT Join us for a free guided...
More Info
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT)
April 5, 2026    
12:00 am
John Bunker Sands Wetland Center
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT) Saturday, April 5, 2026  ||  7:30am – 11:30am   CT Description:  Join...
More Info
Heard Museum || 2nd Saturday Bird Walk (AT)
April 11, 2026    
8:00 am - 9:30 am
Heard Natural Science Museum & Wildlife Sanctuary
Heard Museum || 2nd Saturday Bird Walk (AT) Saturday, April 11, 2026  ||  8:00am – 9:30pm CT Cost:  Adult:             ...
More Info
City of Garland Earth Day (VH)
April 11, 2026    
9:00 am - 1:00 pm
Holford Recreation Center
City of Garland Earth Day April 11th, 9 AM - 1 PM Go Green Garland is excited to announce this year's Earth Day schedule with...
More Info
Trinity River Audubon Center Flock party (VH)
April 11, 2026    
10:00 am - 2:00 pm
TRAC
This is an annual community event at Trinity River Audubon Center. Each year TRAC hosts around 300 attendees to celebrate all things South Dallas ranging...
More Info
Laura W Bush Native Texas Park || Guided Walk (AT)
April 11, 2026    
10:00 am - 11:00 am
Laura W Bush Native Texas Park
Laura W Bush Native Texas Park || Guided Walk (AT) Saturday, April 11, 2026  ||  10:00am –11:00am  CT Join us for a free guided tour...
More Info
Trinity River Audubon Center || Morning Bird Walk (AT)
April 18, 2026    
7:30 am - 9:00 am
Trinity River Audubon Center
Trinity River Audubon Center || Morning Bird Walk (AT) Saturday, April 18, 2026 ||  7:30am  – 9am   CT For more info & to register: https://tickets.audubon.org/events/d5476f01-f31c-7e1b-0de5-8bdd51afb06b?_gl=1%2a1j7elxq%2a_gcl_au%2aMTU3Mzc3MzA3Ny4xNzY3NjU0NTcw%2a_ga%2aMTMyNDIyNjA0LjE3Njc2NTQ1NzA.%2a_ga_X2XNL2MWTT%2aczE3NzQzMDkyODQkbzEwJGcxJHQxNzc0MzA5NDIxJGo2MCRsMCRoMA.....
More Info
Laura W Bush Native Texas Park || Guided Walk (AT)
April 18, 2026    
10:00 am - 11:00 am
Laura W Bush Native Texas Park
Laura W Bush Native Texas Park || Guided Walk (AT) Saturday, April 18, 2026  ||  10:00am –11:00am  CT Join us for a free guided tour...
More Info
LLELA || Thrive Nature Walk –(AT)
April 19, 2026    
9:00 am - 10:30 am
Thrive Nature Park;
LLELA || Thrive Nature Walk –(AT) Sunday, April 19, 20256| 9:00am – 10:30am   CT Description:  Sights of plants and wildlife, smells of fresh air and...
More Info
Bug Fest in Grand Prairie (VH)
April 25, 2026    
10:00 am - 1:00 pm
Lynn Creek Park
April 25th  10 am to 1 pm Get ready for Bug Fest, where the creepy crawlies of nature take center stage! From live insect exhibits...
More Info
Laura W Bush Native Texas Park || Guided Walk (AT)
April 25, 2026    
10:00 am - 11:00 am
Laura W Bush Native Texas Park
Laura W Bush Native Texas Park || Guided Walk (AT) Saturday, April 25, 2026  ||  10:00am –11:00am  CT Join us for a free guided tour...
More Info
Trinity River Audubon Center || Sunday Morning Bird Walk (AT)
April 26, 2026    
9:00 am - 10:00 am
Trinity River Audubon Center
Trinity River Audubon Center || Sunday Morning Bird Walk (AT) Sunday, April 26, 2026  ||  9am  – 10am   CT More Info & to register: https://tickets.audubon.org/events/01906a27-66f9-6d6a-abef-7842e50da2f7?_gl=1%2ag1juob%2a_gcl_au%2aMTU3Mzc3MzA3Ny4xNzY3NjU0NTcw%2a_ga%2aMTMyNDIyNjA0LjE3Njc2NTQ1NzA.%2a_ga_X2XNL2MWTT%2aczE3NzQzMDIwODUkbzkkZzEkdDE3NzQzMDQ1MjckajUyJGwwJGgw...
More Info
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT)
May 2, 2026    
7:30 am - 11:30 am
John Bunker Sands Wetland Center (AT)
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT) Saturday, May 2 2026  ||  7:30am – 11:30am   CT Description:  Join...
More Info
Native Plants and Prairies Day
May 2, 2026    
10:00 am - 3:00 pm
Bath House Cultural Center
Native Plants and Prairies Day is a fun free event for families to celebrate our blackland prairies here in North Texas. Join us for our...
More Info
Laura W Bush Native Texas Park || Guided Walk (AT)
May 2, 2026    
10:00 am - 11:00 am
Laura W Bush Native Texas Park
Laura W Bush Native Texas Park || Guided Walk (AT) Saturday, May 2, 2026  ||  10:00am –11:00am  CT Join us for a free guided tour...
More Info
Events on March 30, 2026
30 Mar
Monthly Board Meeting Via Zoom
30 Mar 26
Events on April 1, 2026
01 Apr
TMN North Texas chapter meeting || How iNat and Citizen Science are Changing What we Know (AT)
1 Apr 26
Farmers Branch
Events on April 4, 2026
04 Apr
Laura W Bush Native Texas Park || Guided Walk (AT)
4 Apr 26
Dallas
Events on April 5, 2026
05 Apr
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT)
5 Apr 26
Seagoville
Events on April 11, 2026
11 Apr
Heard Museum || 2nd Saturday Bird Walk (AT)
11 Apr 26
McKinney
11 Apr
City of Garland Earth Day (VH)
11 Apr 26
Garland
11 Apr
Trinity River Audubon Center Flock party (VH)
11 Apr 26
Dallas
11 Apr
Laura W Bush Native Texas Park || Guided Walk (AT)
11 Apr 26
Dallas
Events on April 18, 2026
18 Apr
Trinity River Audubon Center || Morning Bird Walk (AT)
18 Apr 26
DALLAS
18 Apr
Laura W Bush Native Texas Park || Guided Walk (AT)
18 Apr 26
Dallas
Events on April 19, 2026
19 Apr
LLELA || Thrive Nature Walk –(AT)
19 Apr 26
Lewisville
Events on April 25, 2026
25 Apr
Bug Fest in Grand Prairie (VH)
25 Apr 26
Grand Prairie
25 Apr
Laura W Bush Native Texas Park || Guided Walk (AT)
25 Apr 26
Dallas
Events on April 26, 2026
26 Apr
Trinity River Audubon Center || Sunday Morning Bird Walk (AT)
26 Apr 26
DALLAS
Events on May 2, 2026
02 May
John Bunker Sands Wetland Center || 1st Saturday Walk & Talk Bird Tour (AT)
2 May 26
Seagoville
02 May
Native Plants and Prairies Day
2 May 26
Dallas
02 May
Laura W Bush Native Texas Park || Guided Walk (AT)
2 May 26
Dallas