Honey Creek State Natural Area
- Information on limited access guided tours of the diverse geology, flora, and fauna.
- http://www.tpwd.state.tx.us/spdest/findadest/parks/honey_creek/

Guadalupe River State Park
- Camping, equestrian trails, and river activities. Include description of facilities, ecology, and history.
- http://www.tpwd.state.tx.us/spdest/findadest/parks/guadalupe_river/

Natural Bridge Wildlife Ranch
- Home to over 50 species of animals from all over the world. Includes history, hours, location, passes, and gift shop.
- http://wildliferanchtexas.com/

Friends of Guadalupe River/Honey Creek, Inc.
- Volunteer group which supports youth education and outreach programs at the two state parks. Information on membership, meetings, and activities.
- http://www.honeycreekfriends.com/

2nd Crossing Camp
- Camping, RV park, and general store.
- http://www.2ndcrossingcamp.com/

Wild Texas: Guadalupe River State Park
- Reviews of park facilities, activities, and wildlife sightings.
- http://www.wildtexas.com/parks/grsp.php

Natural Bridge Caverns
- Guided tours through a large system of underground chambers between New Braunfels and San Antonio. Includes photos and cavern information.
- http://naturalbridgecaverns.com/