Do you want to get away from the concrete jungle of San Juan or Old San Juan for a while without traveling too far? Or have a nice place to bike, run or walk that is away from traffic? Then the Parque Lineal Martí Coll or Paseo Lineal (Martí Coll Linear Park, in English) might be just what you need. This "park" is actually an elevated, 8-foot wide concrete walkway that runs along the bank of the Maria Pena canal. It is 1.2 miles long, and a nice place to exercise or just enjoy the day.

Save a Gato is a volunteer organization that manages the care and feeding of the colonial cats of Old San Juan. Through an agreement with the National Park Service, Save a Gato provides food, water and medical assistance for these cats. They do what they can, as a completely volunteer organization, run on donations. But every trap-neuter-release costs money. Find out how you can help.

SoFo is the Old San Juan Culinary Festival semi-annual food festival. It’s typically held in the early summer & again in the fall, and it is all about enjoying food & having fun. In the evening, the Old City closes a number of streets to traffic. Then the restaurants start setting up serving tables and bars, tables and chairs, and stages are set up for the bands. This summer, the festival is being held from July 8 through July 11, 2010.

Puerto Rico has a number of food and drink festivals that should make any foodie (and the rest of us!) smile. The next one coming up is Saborea Puerto Rico. The name even means to savor, to relish or to enjoy in Spanish.

What do you get when you cross scavenger hunts with GPS technology? The "sport" called Geocaching. You can grab your GPS unit and try to find one of the 350 treasures hidden around Puerto Rico. You may be pleasantly surprised by what else you discover about the island during your hunt.

Puerto Rico is the self-proclaimed Rum Capital of the World, so what better place to come and enjoy the best rums from all around the world? This year marks the second annual Taste of Rum, the official Rum Festival & International Rum Competition of Puerto Rico, being held in Old San Juan on March 21, 2010.

The Flavors of San Juan Food & Culture Tour is a guided walking tour in Old San Juan. Throughout this tour, you’ll get to sample food & drinks at different restaurants, learn about the history & culture of Puerto Rico, see some of the sites in the city, and learn about some of the local arts & crafts. We thought it was an interesting & enjoyable couple of hours.

If you’re looking for an exciting way to see Old San Juan, you can get a tour of the 400-year old city from a different angle — on a Jet Ski. Aquatica offers a Jet Ski Pirate Tour that is wet and wild, and combines some history and a lot of fun. We did this a few weeks ago and it was a blast!

Playita del Condado is a small, public beach located on Ashford Avenue next to the Conrad San Juan Condado Plaza. Located between the Atlantic Ocean and the Condado Lagoon, it has shallow, calm water, a golden sand beach, rinse showers, and beach chairs and umbrellas available for rent.

Whether you have just a couple of hours or a couple of days, there are plenty of things to keep you busy and entertained in the northeast part of Puerto Rico. From the rain forest to beaches to biobays, we’ve put together a list of activities sorted by the amount of time you need to do each.