Top of Waipio - Horseback, 4x4, ATV, and hiking adventures in and around Waipio Valley. Small maps and online reservations available. Surf Lessons Hawaii - Surfing lessons and surf tours by trained and certified lifeguards. Information about the vacations, instructors, lessons and pricing. Hawaii Forest and Trail - Small group and private tours to remote areas, including volcanoes, rainforest, lava tube, and mule ride tours. Easy to understand volcanic geology information with pictures and monthly 'reading the land' essays. Mauna Kea Summit Adventures - Educational and photographic tours to the top of the mountain. Pictures and links to related sites. Snuba Big Island - Similar to scuba diving, but with no certification necessary. Beach and boat dives available, pictures and explanation on the site. Ocean Safari Kayak Adventures - Kayak adventures on the Kona coast featuring rentals and guided tours with instruction. Pictures and tour information. Fair Wind Cruises - Snorkel, dive, and snuba tours to Kealakekua Bay on a large catamaran or small rafts. Scheduling, pricing, online reservation, trip information, and many pictures. Nautilus Dive Center - Contact information and pictures for water sport equipment rental company, plus scuba instruction and charters in Hilo. Waipio Valley Wagon Tours of Hawaii - Contact information and pictures for these narrated wagon tours through Waipio Valley, featuring intimate views of the area's incredible beauty. Ocean Eco Tours - Dive, surf, and kayak tours on the Kona Coast. Prices, pictures, and contact information. Kamanu Charters - Sail and snorkel cruises to Pawai Bay. Detailed boat and trip information, small map of Honokohau Harbor, and pictures. Kula Kai Caverns - Expedition information, pictures, links, and directions to this tour into 1000 year old lava tubes located in Ocean View. Hawaii Volcanoes National Park - The official site about the most popular destination on the Big Island. Detailed volcano safety and park attraction information. Big Island Aina Tours - Provides exclusive tours from the Hilo side of Hawaii. Guided tours to the Volcanoes National Park, Rainbow Falls, Akaka Falls, Botanical Gardens, and other destinations. Kona123 - Kona123 features 123 activities available on the Big Island of Hawaii. Kona Boys - Tours, rentals, sales, and lessons for surf, kayak, and snorkel gear on the Big Island's Kona Coast above Kealakekua Bay. Sea Paradise - Morning, afternoon, and night snorkel trips in Kona Hawaii. Also offers a night manta snorkel tour. Native Guide Hawaii - Tours on the island of Hawaii. Includes tours to Volcanoes National Park, Waipio Valley, Hamakua Waterfalls. Native Hawaiian owned and operated. Volcano Bike Tours - Guided bicycle tours of Hawaii Volcanoes National Park where you will explore Kilauea Volcano from summit to sea. Hawaiian Walkways - Hiking and walking tours: pictures, description, prices, and contact information.