Lennox Foundation Southmost Preserve Open Days

Texas

Two visitors walk a shaded trail through native sabal palm forest at Southmost Preserve in the Lower Rio Grande Valley. — Southmost Preserve Explore the southernmost part of Texas. © Kenny Braun

Event Overview

Explore Southmost Preserve

The Nature Conservancy's (TNC) Lennox Foundation Southmost Preserve is located in the southernmost part of Texas and protects one of the few remaining stands of native Mexican sabal palm forest in the United States. Situated along the Rio Grande in the Lower Rio Grande Valley, one of the most biodiverse regions in the country, the 1,016-acre preserve provides habitat for a remarkable diversity of wildlife, including migratory birds, ocelots, Texas tortoises and many other native species. Birders, hikers and nature enthusiasts alike can experience this unique landscape and its rich natural heritage on scheduled Open Days.

When

November 21, 2026 from 7 a.m. - 11 a.m.
December 19, 2026 from 7 a.m. - 11 a.m.
January 23, 2027 from 7 a.m. - 11 a.m.
February 20, 2027 from 7 a.m. - 11 a.m.

Details

Explore Southmost Preserve at your own pace during scheduled Open Day hours. Visitors are welcome to hike, bike, bird and enjoy the preserve's roads and trails while taking in the beauty of this remarkable South Texas landscape.

Important info about the Open Days:

Maximum participants: 75
RSVP is REQUIRED to attend these Open Days. Email Marcos at marcos.ruiz@tnc.org to add your name to the attendance list.
Please stay on designated trails and help us protect sensitive habitats and wildlife.
We recommend bringing a water bottle, binoculars, bird book, bug spray, sun protection and appropriate footwear for outdoor activities.

Southmost Preserve

Detailed directions can be provided to those who RSVP.

DATE

Nov 21, 2026 – Feb 20, 2027

Multiple dates and varied times

Open days on November 21, 2026, December 19, 2026, January 23, 2027 and February 20, 2027.

RSVP to marcos.ruiz@tnc.org.

Time

07:00 AM – 11:00 AM CT (UTC -06:00h)

Hiking, biking, birding and more.

Learn more about our work in Texas

Explore events in Texas

A field of green grass with small blue mountains in the background. — Preserving the best of Texas TNC's Marathon Grasslands Preserve protects critical Chihuahuan Desert grassland habitat. © Jerod Foster

[{"countryCode":"hti","countryName":"Haiti"},{"countryCode":"mmr","countryName":"Myanmar"},{"countryCode":"png","countryName":"Papua New Guinea"},{"countryCode":"pri","countryName":"Puerto Rico"},{"countryCode":"hkg","countryName":"Hong Kong"},{"countryCode":"usa","countryName":"United States"},{"countryCode":"bol","countryName":"Bolivia"},{"countryCode":"pry","countryName":"Paraguay"},{"countryCode":"bhs","countryName":"Bahamas"},{"countryCode":"cri","countryName":"Costa Rica"},{"countryCode":"slb","countryName":"Solomon Islands"},{"countryCode":"gab","countryName":"Gabon"},{"countryCode":"mng","countryName":"Mongolia"},{"countryCode":"chn","countryName":"China"},{"countryCode":"pan","countryName":"Panama"},{"countryCode":"bra","countryName":"Brazil"},{"countryCode":"gtm","countryName":"Guatemala"},{"countryCode":"chl","countryName":"Chile"},{"countryCode":"col","countryName":"Colombia"},{"countryCode":"ecu","countryName":"Ecuador"},{"countryCode":"arg","countryName":"Argentina"},{"countryCode":"vir","countryName":"Virgin Islands"},{"countryCode":"ury","countryName":"Uruguay"},{"countryCode":"eur","countryName":"Europe"},{"countryCode":"syc","countryName":"Seychelles"},{"countryCode":"tza","countryName":"Tanzania"},{"countryCode":"blz","countryName":"Belize"},{"countryCode":"zmb","countryName":"Zambia"},{"countryCode":"ken","countryName":"Kenya"},{"countryCode":"ind","countryName":"India"},{"countryCode":"nzl","countryName":"New Zealand"},{"countryCode":"can","countryName":"Canada"},{"countryCode":"cub","countryName":"Cuba"},{"countryCode":"ven","countryName":"Venezuela"},{"countryCode":"nic","countryName":"Nicaragua"},{"countryCode":"nam","countryName":"Namibia"},{"countryCode":"dom","countryName":"Dominican Republic"},{"countryCode":"hnd","countryName":"Honduras"},{"countryCode":"mex","countryName":"Mexico"},{"countryCode":"zaf","countryName":"South Africa"},{"countryCode":"fsm","countryName":"Micronesia"},{"countryCode":"aus","countryName":"Australia"},{"countryCode":"jam","countryName":"Jamaica"},{"countryCode":"per","countryName":"Peru"},{"countryCode":"idn","countryName":"Indonesia"}] [{"stateCode":"al","stateName":"Alabama"},{"stateCode":"ak","stateName":"Alaska"},{"stateCode":"az","stateName":"Arizona"},{"stateCode":"ar","stateName":"Arkansas"},{"stateCode":"ca","stateName":"California"},{"stateCode":"co","stateName":"Colorado"},{"stateCode":"ct","stateName":"Connecticut"},{"stateCode":"de","stateName":"Delaware"},{"stateCode":"dc","stateName":"District of Columbia"},{"stateCode":"fl","stateName":"Florida"},{"stateCode":"ga","stateName":"Georgia"},{"stateCode":"hi","stateName":"Hawaii"},{"stateCode":"id","stateName":"Idaho"},{"stateCode":"il","stateName":"Illinois"},{"stateCode":"in","stateName":"Indiana"},{"stateCode":"ia","stateName":"Iowa"},{"stateCode":"ks","stateName":"Kansas"},{"stateCode":"ky","stateName":"Kentucky"},{"stateCode":"la","stateName":"Louisiana"},{"stateCode":"me","stateName":"Maine"},{"stateCode":"md","stateName":"Maryland"},{"stateCode":"ma","stateName":"Massachusetts"},{"stateCode":"mi","stateName":"Michigan"},{"stateCode":"mn","stateName":"Minnesota"},{"stateCode":"ms","stateName":"Mississippi"},{"stateCode":"mo","stateName":"Missouri"},{"stateCode":"mt","stateName":"Montana"},{"stateCode":"ne","stateName":"Nebraska"},{"stateCode":"nv","stateName":"Nevada"},{"stateCode":"nh","stateName":"New Hampshire"},{"stateCode":"nj","stateName":"New Jersey"},{"stateCode":"nm","stateName":"New Mexico"},{"stateCode":"ny","stateName":"New York"},{"stateCode":"nc","stateName":"North Carolina"},{"stateCode":"nd","stateName":"North Dakota"},{"stateCode":"oh","stateName":"Ohio"},{"stateCode":"ok","stateName":"Oklahoma"},{"stateCode":"or","stateName":"Oregon"},{"stateCode":"pa","stateName":"Pennsylvania"},{"stateCode":"ri","stateName":"Rhode Island"},{"stateCode":"sc","stateName":"South Carolina"},{"stateCode":"sd","stateName":"South Dakota"},{"stateCode":"tn","stateName":"Tennessee"},{"stateCode":"tx","stateName":"Texas"},{"stateCode":"ut","stateName":"Utah"},{"stateCode":"vt","stateName":"Vermont"},{"stateCode":"va","stateName":"Virginia"},{"stateCode":"wa","stateName":"Washington"},{"stateCode":"wv","stateName":"West Virginia"},{"stateCode":"wi","stateName":"Wisconsin"},{"stateCode":"wy","stateName":"Wyoming"}]

View All Events

More from Texas

Closeup of an ocelot standing beside a large fallen branch and looking at the camera, surrounded by dense brush.

Ocelots in Texas

Ocelots were once found across much of the Lone Star State, but today, fewer than 100 of these wild cats are thought to survive in the United States, roaming between South Texas and Mexico.

A man wearing a cowboy hat rides a white horse, herding a group of cattle through a grassy pasture.

Texas Working Lands

In collaboration with ranchers, farmers and landowners, TNC is finding solutions to support a growing population, clean and abundant water supplies and healthy working lands.

A bird with a yellow head and black and white feathers sits on a branch with its beak open in song.

A Bounty of Biodiversity

Exploring the rare, threatened and endangered species of Texas and the legacy of the Endangered Species Act.