| Armand Bayou Nature Center | 281-474-2551 | | 8500 Bay Area Blvd Pasadena, Texas 77507 | Natural Interests, All | Armand Bayou Nature Center Guided Canoe Tour |
| Buffalo Bayou Partnership | 713-752-0314 | Canoe, kayak, and pontoon boat tours along Buffalo Bayou, near downtown Houston, as well as a tour of the Waugh Bridge Bat Colony. | 1113 Vine Street Suite 200 Houston, Texas 77002 | Natural Interests, All | Buffalo Bayou Partnership Boat Tours |
| Buffalo Bayou Shuttle Service | 713-538-7433 | Canoe and kayak tours of Buffalo Bayou. | 100 Sabine Street Houston, Texas 77007 | Natural Interests, All | Buffalo Bayou Shuttle Service |
| Harris County Precinct 4 | | Precinct 4 offers launches at Collins Park, Jesse H. Jones Park & Nature Center, Mercer Arboretum & Botanic Gardens, and Pundt Park for those interested in canoeing/kayaking Spring Creek or Cypress Creek and associated waterways. | | Natural Interests, All | Harris County Precinct 4 Canoeing/Kayaking |
| Houston Arboretum and Nature Center | 713-681-8433 | COST. Many of the programs and classes include tours of the remarkable grounds, some seasonal, some thematic. Regular scheduled Saturday tours at 2:00 and 3:00. Call ahead for large group. COST. Pre-arrange Friday’s “Wine and Cheese Night Hike.” COST. A driving tour of “Wildflowers & Texas History” by arrangement in the spring, usually May. | 4501 Woodway Drive Houston, Texas 77024-7708 | Natural Interests, All | Houston Arboretum and Nature Center |
| Jesse H. Jones Park and Nature Center | 281-446-8588 | Various tours available for various ages. | 20634 Kenswick Drive Humble, Texas 77338 | Natural Interests, All | Jesse H. Jones Park and Nature Center |
| Mercer Botanic Gardens | 281-443-8731 | Pre-arrange a regularly scheduled tour on Tuesday and Thursday. Third Saturday morning has open invitation to tour the grounds. “Scavenger Hunt” tour brochure available for children. | 22306 Aldine Westfield Rd Humble, Texas 77338 | Natural Interests, All | Mercer Botanic Gardens |