Old Tunnel State Park
FredericksburgKendall CountyHill Country
A former railroad tunnel that shelters a major Mexican free-tailed bat colony, with seasonal evening bat viewing, birding, and short nature trails.
Best for
bat viewing, birding, family
Location
Fredericksburg, Hill Country
Family friendly
Yes
Admission
A fee may be required
Accessibility
Accessibility features listed
About Old Tunnel State Park
Old Tunnel State Park is a natural area in Fredericksburg, Kendall County, Hill Country. A former railroad tunnel that shelters a major Mexican free-tailed bat colony, with seasonal evening bat viewing, birding, and short nature trails. Visitors commonly come for bat viewing, birding, family, hiking, and scenic. Listed facilities include interpretive exhibits, restrooms, trails, and viewing area.
Things to do at Old Tunnel State Park
Use these activities to plan your visit or discover more Texas destinations offering the same experience.
Visitor details
- hikingDiscovery
- isHikingDestination
- accessScope
Use designated public trails and visitor-use areas
- verifyCurrentConditions
- lastReviewed
2026-07-26
Amenities and facilities
Plan your visit
Build your itinerary around bat viewing, birding, family, and hiking. Available facilities may include interpretive exhibits, restrooms, trails, and viewing area. Travelers bringing pets should verify whether animals are permitted and which areas may be restricted. The destination lists accessibility features; contact the operator for route-specific or facility-specific details.
Conditions, closures, reservations, fees, and operating hours can change. Confirm the latest information with the official destination before traveling, especially for overnight stays, water activities, guided access, or remote areas.
Frequently asked questions
Where is Old Tunnel State Park?
Old Tunnel State Park is located in Fredericksburg, Kendall County, Hill Country. Use the map on this page and verify directions with the official destination before departure.
What can you do at Old Tunnel State Park?
Popular listed activities include bat viewing, birding, family, hiking, scenic, and wildlife. Availability may vary by season, weather, water level, closures, or reservation requirements.
What amenities are available at Old Tunnel State Park?
Listed amenities include interpretive exhibits, restrooms, trails, and viewing area. Confirm current availability, accessibility, and operating status before traveling.
Does Old Tunnel State Park charge an admission fee?
A fee is listed as required or potentially required. Rates, passes, reservations, and additional activity fees can change, so verify current pricing with the destination.
Nearby attractions
Continue exploring with destinations closest to Old Tunnel State Park.
Lyndon B. Johnson State Park & Historic Site
Stonewall · Gillespie County · Hill Country
A day-use historic park interpreting President Johnson's Hill Country heritage with the Sauer-Beckmann Living History Farm, trails, exhibits, and river scenery.
Cave Without a Name
Boerne · Kendall County County · Hill Country
Visit a living Hill Country cavern with six major rooms, abundant stalactites and flowstone, and a renowned underground chamber used for special events.
Upper Guadalupe River Scenic Segment
Kerr County, Kendall County County · Hill Country
A cypress-lined Hill Country segment with clear pools, limestone banks, groundwater connections, and exceptional aquatic life.
Selah, Bamberger Ranch Preserve
Johnson City · Blanco County County · Hill Country
A 5,500-acre privately protected Hill Country ranch restored from degraded land into native grassland, woodland, spring, lake, and wildlife habitat used for conservation education and research.
Related destinations
Similar Texas places selected by destination type and shared interests.
Lost Maples State Natural Area
Vanderpool · Bandera County · Hill Country
Limestone canyons, clear streams, rugged trails, primitive camping, birding, and celebrated fall foliage from isolated bigtooth maples.
Hamilton Pool Preserve
Dripping Springs · Travis County · Hill Country
A protected Hill Country grotto, waterfall, and short nature trail.
Balcones Canyonlands National Wildlife Refuge
Marble Falls · Burnet, Travis, and Williamson Counties County · Hill Country
Discover rugged Hill Country canyons, limestone hills, oak-juniper woodlands, springs, and habitat protected for the endangered golden-cheeked warbler, black-capped vireo, and diverse native wildlife.
Longhorn Cavern State Park
Burnet · Burnet County · Hill Country
A historic Hill Country cavern with guided walking and wild-cave tours, CCC architecture, hiking, and scenic overlooks.